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	<title>ImmInst Active Topics</title>
	<description></description>
	<link>https://www.longecity.org/forum</link>
	<pubDate>Thu, 16 Apr 2026 18:50:39 +0000</pubDate>
	<ttl>5</ttl>
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		<title>ImmInst Active Topics</title>
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		<link>https://www.longecity.org/forum</link>
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		<title><![CDATA[[ALCOR]  Remembering Mike Perry]]></title>
		<link>https://www.longecity.org/forum/topic/121790-alcor-remembering-mike-perry/</link>
		<description><![CDATA[<p>Remembering Mike Perry Alcor Announcement · April 15, 2026 We are reaching out today with news that will be difficult for many in our community to hear. Last evening, our colleague Dr. R. Michael Perry was involved in a motor vehicle accident as a pedestrian. He was transported to the ICU in critical condition, where […]</p><p>The post <a href='https://www.alcor.org/resources/blog/remembering-mike-perry/' class='bbc_url' title='External link' rel='nofollow external'>Remembering Mike Perry</a> appeared first on <a href='https://www.alcor.org' class='bbc_url' title='External link' rel='nofollow external'>Alcor Life Extension Foundation</a>.</p><br /><a href='https://www.alcor.org/resources/blog/remembering-mike-perry/' class='bbc_url' title='External link' rel='nofollow external'>View the full article</a>]]></description>
		<pubDate>Thu, 16 Apr 2026 18:50:39 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121790-alcor-remembering-mike-perry/</guid>
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		<title><![CDATA[[ALCOR]  Remembering Mike Perry]]></title>
		<link>https://www.longecity.org/forum/topic/121789-alcor-remembering-mike-perry/</link>
		<description><![CDATA[<p>Remembering Mike Perry Alcor Announcement · April 15, 2026 We are reaching out today with news that will be difficult for many in our community to hear. Last evening, our colleague Dr. R. Michael Perry was involved in a motor vehicle accident as a pedestrian. He was transported to the ICU in critical condition, where […]</p><p>The post <a href='https://www.alcor.org/resources/blog/remembering-mike-perry/' class='bbc_url' title='External link' rel='nofollow external'>Remembering Mike Perry</a> appeared first on <a href='https://www.alcor.org' class='bbc_url' title='External link' rel='nofollow external'>Alcor Life Extension Foundation</a>.</p><br /><a href='https://www.alcor.org/resources/blog/remembering-mike-perry/' class='bbc_url' title='External link' rel='nofollow external'>View the full article</a>]]></description>
		<pubDate>Thu, 16 Apr 2026 18:50:39 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121789-alcor-remembering-mike-perry/</guid>
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		<title>Hello, licensed mental health clinician and fitness enthusiast here</title>
		<link>https://www.longecity.org/forum/topic/121780-hello-licensed-mental-health-clinician-and-fitness-enthusiast-here/</link>
		<description><![CDATA[Hi, nice to meet everyone. I am 36, M, 6' 4" and a licensed social worker. I grew up morbidly obese, but at age 13 started lifting weights and educating myself on nutrition. haven't stopped lifting or eating right for my goals to this day. I've been employed in human services for about 14 years now, 7 of them as a professional. My 20s were rough, as was my childhood. Did a lot of detrimental shit to myself. Alas, I crawled through a hundred yards of shit and came out clean on the other side. I have an extensive background in childhood and adolescent development, psychopharmacology, nutrition and lifting weights. I also play guitar, piano, bass and sing. Started at age 13, another healthy habit I've kept up. I enjoy reading, writing and recording my music, and watching YouTube. I love my job. I am astoundingly lonely lol all my friends are married with kids so I rarely see them. Lost my lady of 10 years when I was 30.<br>
<br>
Dunno what I'll do here. Probably just browse the forums and contribute where I can.<br>
<br>
Thanks for reading.]]></description>
		<pubDate>Wed, 15 Apr 2026 02:34:03 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121780-hello-licensed-mental-health-clinician-and-fitness-enthusiast-here/</guid>
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		<title>Tracking A Biomarker Of Neurodegeneration (22-Test Analysis)</title>
		<link>https://www.longecity.org/forum/topic/121770-tracking-a-biomarker-of-neurodegeneration-22-test-analysis/</link>
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		<pubDate>Sun, 12 Apr 2026 17:18:51 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121770-tracking-a-biomarker-of-neurodegeneration-22-test-analysis/</guid>
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		<title><![CDATA[Does Insulin Sensitivity Cause Hashimotos &#38; is this reversable?]]></title>
		<link>https://www.longecity.org/forum/topic/121767-does-insulin-sensitivity-cause-hashimotos-is-this-reversable/</link>
		<description><![CDATA[<p>Hi,</p>
<p>&nbsp;</p>
<p>So I did a few blood tests recently and the findings were:</p>
<p>&nbsp;</p>

	Abnormal / Key Findings
<ul>
<li>High <strong>fasting insulin</strong>: <strong>13.5 mIU/L</strong></li>
<li>High <strong>fasting insulin resistance index (HOMA-IR)</strong>: <strong>2.2</strong></li>
<li>High <strong>Thyroid Peroxidase Antibodies (TPOAb)</strong></li>
<li>High <strong>Thyroglobulin Antibodies (TgAb)</strong></li>
<li>Low <strong>SHBG</strong></li>
<li>Slightly elevated <strong>CRP</strong></li>
<li>Slightly elevated <strong>afternoon cortisol</strong></li>
<li>Low <strong>Vitamin D</strong></li>
</ul>

	Relevant Symptoms / Correlated Issues
<ul>
<li>Brain fog</li>
<li>Fatigue / low energy</li>
<li>Hair thinning / dry skin</li>
<li>Skin issues (psoriasis-type)</li>
<li>Light sensitivity</li>
<li>Difficulty losing fat</li>
<li>Bloating</li>
<li>Depression, anxiety.</li>
</ul>
<p>&nbsp;</p>
<p>What I wanted to know is what changes would you recommend I make, is this hashimotos? Or are the anti-bodies reversable through diet?&nbsp;</p>
<p>&nbsp;</p>

	Normal / Reassuring Results
<ul>
<li>Fasting glucose: <strong>4.1 mmol/L</strong></li>
<li>TSH</li>
<li>Free T4</li>
<li>Free T3</li>
<li>Testosterone</li>
<li>Prolactin</li>
<li>Oestradiol</li>
<li>Ferritin</li>
<li>Full Blood Count</li>
<li>Calprotectin (low = no gut inflammation)</li>
</ul>
]]></description>
		<pubDate>Fri, 10 Apr 2026 19:44:52 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121767-does-insulin-sensitivity-cause-hashimotos-is-this-reversable/</guid>
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		<title>Is Running Overrated?</title>
		<link>https://www.longecity.org/forum/topic/121759-is-running-overrated/</link>
		<description><![CDATA[<ul>
<li>Running has sharply diminishing returns — about 30 minutes a week captures most of the longevity benefit. Beyond that, you’re not gaining much.</li>
<li>Walking is the standout: 12,000 steps/day is associated with a ~75% reduction in all-cause mortality. Running 10,000 steps doesn’t come close to walking 10,000 steps.</li>
<li>There’s four-pillars of exercise for longevity: aerobic, HIIT, strength training, walking. Total required time: about 60–90 minutes/week for the structured exercise.</li>
<li>Sleep’s longevity data is weaker than most people assume — it didn’t make the top tier of habits when ranked by mortality reduction.</li>
<li>Biological age clocks are evolving fast (PhenoAge → BortzAge), but I don’t find them useful for choosing habits compared with all-cause mortality studies.</li>
</ul>
<p><a href='https://www.unaging.com/videos/is-running-overrated/' class='bbc_url' title='External link' rel='nofollow external'>https://www.unaging.com/videos/is-running-overrated/</a></p>
]]></description>
		<pubDate>Thu, 09 Apr 2026 02:19:51 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121759-is-running-overrated/</guid>
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		<title>Infammation theory of depression and implications for treatment</title>
		<link>https://www.longecity.org/forum/topic/121743-infammation-theory-of-depression-and-implications-for-treatment/</link>
		<description><![CDATA[<p>Hi All,</p>
<p>&nbsp;</p>
<p>One of the better known theories of depression is the idea that there is a chronic, low-grade (low intensity) inflammatory process in the brain.&nbsp; The time it takes to gradually resolve or ameliorate this inflammation may be the reason why so many drugs (and other substances) take a relatively long time (often 4 weeks or more) to produce substantial results.</p>
<p>&nbsp;</p>
<p>This may have important implication for the treatment of depression.&nbsp; The hypothesis that logically follows, is that anti-inflammatory substances, as long as they cross the brain-blood-barrier, can ameliorate, if not eliminate, the inflammation, thus treating the depression.</p>
<p>&nbsp;</p>
<p>The question, therefore, is what substances (herbs, vitamins, drugs, etc.) have the strongest anti-inflammatory action?</p>
<p>&nbsp;</p>
<p>What substances have you taken that mitigated your depression, but took 1 week or longer to do so?</p>
<p>&nbsp;</p>
]]></description>
		<pubDate>Sat, 04 Apr 2026 09:01:43 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121743-infammation-theory-of-depression-and-implications-for-treatment/</guid>
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		<title>Hi there</title>
		<link>https://www.longecity.org/forum/topic/121721-hi-there/</link>
		<description><![CDATA[<p>Hi everyone, I'm jeff and I'm interested in maximizing longevity and cognitive performance. I'm about to hit my mid 20's so I'm looking to extend my youth as long as possible with compounds like rapamycin, metformin + galantamine, cae enhancers like selegiline or bpap, statins, telmisartan etc... I'm also interested in nootropics like cerebrolysin and crebinostat. I'm happy to learn and look forward to my time on this forum&nbsp;</p>
]]></description>
		<pubDate>Sun, 29 Mar 2026 23:29:59 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121721-hi-there/</guid>
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	<item>
		<title>Hi I am Ryan</title>
		<link>https://www.longecity.org/forum/topic/121719-hi-i-am-ryan/</link>
		<description>Hi I am Ryan. I have been interested in biohacking and getting at root causes for health issues for over ten years. Hope to add my perspective to assist the community.</description>
		<pubDate>Sun, 29 Mar 2026 20:12:20 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121719-hi-i-am-ryan/</guid>
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		<title><![CDATA[&#34;Why Low-Absorption Berberine is a Better AMPK Strategy&#34; by ChatGPT]]></title>
		<link>https://www.longecity.org/forum/topic/121717-why-low-absorption-berberine-is-a-better-ampk-strategy-by-chatgpt/</link>
		<description><![CDATA[<p  style="text-align:center"><strong><span  style="font-family:arial">WHY LOW-ABSORPTION BERBERINE IS A BETTER AMPK STRATEGY</span></strong></p>
<p  style="text-align:center">&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">by</span></strong></p>
<p  style="text-align:center">&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">ChatGPT</span></strong></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">In the world of biohacking, "more absorption" is usually the gold standard. We see supplements wrapped in liposomes, dissolved in oils, or spiked with piperine (black pepper extract) to force as much of the compound into the bloodstream as possible. </span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">But when it comes to AMPK (Adenosine Monophosphate-activated Protein Kinase)—the body's "master metabolic switch"—the high-absorption approach might actually be counterproductive. If your goal isn't a massive metabolic spike but rather a steady, underlying cellular hum, low-absorbance Berberine HCL might be the more sensible tool.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Understanding the AMPK "Dime Switch"</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">AMPK is an enzyme that senses energy levels. When cellular energy (ATP) is low, AMPK flips "on" to burn fat, clear out old cellular junk (autophagy), and improve insulin sensitivity. </span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">The Spike Method:</span></strong><span  style="font-family:arial">&nbsp;Taking a high-dose, high-absorption activator is like slamming a light switch. You get a surge of activation, but you also risk "metabolic hangovers"—crashes in blood sugar, fatigue, or gastrointestinal distress.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">The Steady Method:</span></strong><span  style="font-family:arial">&nbsp;Low-absorbance Berberine acts more like a dimmer switch. It provides a gentle, persistent nudge to the mitochondria without overwhelming the system.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Why Low Absorption is a Feature, Not a Bug</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Berberine is notoriously poor at entering the bloodstream. Only about 1-5% of an oral dose typically makes it into systemic circulation. While marketers see this as a failure, metabolic researchers see it as an opportunity for three reasons:</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">1. The "Gut-First" Activation</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">A large portion of Berberine’s magic happens in the intestines before it ever hits your blood. It interacts with the gut microbiome and the lining of the digestive tract to stimulate GLP-1 (the hormone targeted by modern weight-loss drugs). By staying in the gut longer due to low absorption, Berberine provides a localized, steady signaling effect that tells the brain and liver to manage energy better.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">2. Avoiding the "Mitochondrial Hammer"</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Berberine activates AMPK by subtly inhibiting Complex I of the mitochondria. In high, highly-absorbent doses, this can feel like a "toxic" stressor, leaving you feeling wiped out or "flat" during workouts. A low-absorbance dose (like a 200</span>&nbsp;<span  style="font-family:arial">mg HCL) provides a "hormetic" stress—just enough to trigger repair and fat-burning, but not enough to drain your battery.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">3. Half-Life Management</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Berberine leaves the body quickly. If you use a "super-absorbed" version, you get a sharp peak and a rapid drop. By using a standard HCL powder without enhancers, the body processes it at its own natural pace. This creates a smoother "arc" of activation, making it much easier to maintain that "steady underlying amount" you’re looking for.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">The Sensible Protocol</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">If you are using a lower-dose, low-absorbance Berberine (such as 200</span>&nbsp;<span  style="font-family:arial">mg), you are effectively micro-dosing a metabolic signal. This approach is ideal for those who:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Are not currently on medication.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Want the longevity benefits of AMPK (autophagy and mitochondrial biogenesis).</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Want to avoid the digestive "disaster" often associated with 1500</span>&nbsp;<span  style="font-family:arial">mg+ doses.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Summary</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">In a culture of "more is better," Berberine stands out as a compound where less is often more sustainable. By choosing a low-absorbance form, you aren't fighting your biology; you’re whispering to it. It’s the difference between a metabolic sprint and a long, healthy walk.</span></p>
<p>&nbsp;</p>
]]></description>
		<pubDate>Sun, 29 Mar 2026 17:56:59 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121717-why-low-absorption-berberine-is-a-better-ampk-strategy-by-chatgpt/</guid>
	</item>
	<item>
		<title>Comprehensive decoding of aging pathways: hypothesis of metabolic homeostasis cascade collapse convergence and re-drive</title>
		<link>https://www.longecity.org/forum/topic/121715-comprehensive-decoding-of-aging-pathways-hypothesis-of-metabolic-homeostasis-cascade-collapse-convergence-and-re-drive/</link>
		<description><![CDATA[<div>Introduction</div>
<div>The current theory of static aging defines the essence of aging as static wear and tear, but it is difficult to explain three core paradoxes: inter-individual heterogeneity, non-linear acceleration, and cliff-like senescence are the three main paradoxes of aging. These three phenomena themselves constitute the falsification of single-causation models.</div>
<div>In this paper, dynamic aging theory is constructed based on metabolic flux homeostasis, and its framework has three explanatory powers: Firstly, through the multi-parameter phase space of metabolic flux homeostasis, Computationally explain the diversity of aging: the set-point bias of AMPK-mTOR-PGC-1α-PPARα in different individuals determines the emergence of differential pathological phenotypes; Second, multi-factorial convergence to the critical node of mitochondrial functional decline is used to account for phenotypic convergence in aging; Finally, by revealing the mechanism by which the dominant factors of aging switch with the phase transitions of metabolic homeostasis, the nonlinear dynamic nature of accelerated aging and cliff aging is explained.</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>金, . 英杰 . (2026). Comprehensive decoding of aging pathways: hypothesis of metabolic homeostasis cascade collapse convergence and re-drive model(V112). Zenodo. <a href='https://doi.org/10.5...zenodo.19249525' class='bbc_url' title='External link' rel='nofollow external'>https://doi.org/10.5...zenodo.19249525</a></div>
<div>&nbsp;</div>
<div>the English version is translated for non-native speakers, there may be inaccuracies, distortions, or misalignments in conceptual frameworks. If any framework is ambiguous, please refer to the Chinese version below for clarification.</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>金, . 英杰 . (2026). 衰⽼路径全⾯破译:代谢稳态级联崩塌收敛再驱动模型假说(V112). Zenodo. <a href='https://doi.org/10.5...zenodo.19246452' class='bbc_url' title='External link' rel='nofollow external'>https://doi.org/10.5...zenodo.19246452</a></div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div>
<div>Here is the English translation:</div>
<div>Note to non-native English readers: As this English version was AI-translated, there may be inaccuracies, distortions, or misaligned conceptual frameworks. If any framework appears ambiguous, please refer to the Chinese version above for clarification.</div>
<div>In this 112 update and correction, I have falsified the replicative senescence theory and proposed a new theoretical framework. Citing original text section 5.7: 5.7 The Field Damage Theory of rDNA Shortening and Recovery Mechanisms.</div>
<div>As stated in reference [269], rRNA constitutes the structural and functional core of ribosomes. ROS can affect RNA through multiple pathways [34,35,36,37], including chemical modifications of bases and sugar moieties, generation of abasic sites, and strand breaks. Guanine is the most susceptible nucleobase to oxidation and has been most extensively studied in this regard. One oxidized form of guanine, 8-hydroxyguanine (8-oxoguanine; 8-oxo-G; 8-oxo-G), is a ubiquitous oxidative lesion readily detectable in cellular nucleic acids. When 8-oxo-G is present in mRNA, it interferes with decoding, potentially forming Hoogsteen pairs with adenine when the base rotates around the N-glycosidic bond. The altered base-pairing capability of 8-oxo-G also perturbs RNA folding. A recent study revealed multiple outcomes when 8-oxo-G was incorporated into model RNA substrates, ranging from stabilization of existing structural motifs to their destabilization and rearrangement into new structures. Since ribosome translation activity depends on numerous precisely tuned conformational changes and movements within its rRNA framework, oxidation of critical bases essential for maintaining correct rRNA structure may impair ribosomal function. Therefore, the requirement to tolerate certain levels of oxidation was likely a factor shaping ribosomal evolution. Many guanines are significantly eliminated from mitochondrial rRNA, accompanied by overall reduction in RNA content.</div>
<div>As stated in reference [270], the muscle regeneration process comprises four interconnected stages: necrosis, inflammation, activation and differentiation of satellite cells, maturation of newly formed myofibrils, and muscle remodeling. During the inflammatory phase, which occurs during muscle injury repair, reactive oxygen species (ROS) are massively produced, primarily present in neutrophils and M2 macrophages. Furthermore, MAPK (mitogen-activated protein kinase), NFκB (nuclear factor kappa B), and AP-1 (activator protein 1) activated by ROS induce protective responses in injured muscle through ROS activation. Additionally, antioxidant enzymes such as superoxide dismutase 2, glutathione peroxidase, and catalase increase during the initial days after injury. Thus, ROS activate important signaling pathways for muscle repair. However, impaired oxidative stress may cause secondary damage to uninjured fibers.</div>
<div>As stated in reference [271], resistance exercise training (RET) can be effectively applied to increase muscle mass and function in older adults aged 65-75 years. However, there has been speculation that individuals over 85 years respond less favorably to RET benefits. This study compared the effects of RET on muscle mass and function between healthy older adults aged 65-75 years and those aged 85 years and above. We examined 17 healthy older adults aged 65-75 years (65-75 years, n=13/4 [female/male]; 68±2 years; 26.9±2.3 kg/m²) and 12 healthy older adults aged 85+ years (85+ years, n=7/5 [female/male]; 87±3 years; 26.0±3.6 kg/m²) undergoing 12 weeks of whole-body RET (three times per week). Before and after 6 and 12 weeks of training, we assessed quadriceps and lumbar level 3 muscle cross-sectional area (computed tomography), whole-body lean mass (dual-energy X-ray absorptiometry), strength (one-repetition maximum test), and physical performance (Timed Up and Go and Short Physical Performance Battery). Twelve weeks of RET increased quadriceps cross-sectional area by 10%±4% and 11%±5% respectively (from 46.5±10.7 to 51.1±12.1 cm², and from 38.9±6.1 to 43.1±8.0 cm²; p&lt;.001; η² = 0.67); whole-body lean mass increased by 2%±3% and 2%±3% (p=.001; η²=.22); one-repetition maximum leg extension strength improved by 38%±20% and 46%±14% respectively in the old 65-75 and old 85+ groups (p&lt;0.001; η² = 0.77). RET responses did not differ between groups (time×group, all p&gt;0.60; all η²≤0.012). Short Physical Performance Battery and Timed Up and Go physical performance both improved (all p &lt; 0.01; η² ≥ 0.22), with no between-group differences (time×group, p &gt; 0.015; η² ≤ 0.07). Extended RET increases muscle mass, strength, and physical performance in aging populations, with no significant differences between 65-75 year-olds and 85+ year-olds.</div>
<div>As stated in reference [272], this study demonstrates that resistance training significantly increases muscle stem cell content... In older adults, satellite cell number significantly increased after 12 weeks of resistance training. Resistance training significantly increased satellite cell number in Type II muscle fibers in older adults... This systematic review and meta-analysis shows that resistance training in older adults can significantly increase muscle stem cells.</div>
<div>Based on the above four articles, it can be inferred that the current replicative senescence theory has boundary limitations in its application scope. Replicative senescence is a typical wear-and-tear theory of aging, within whose theoretical framework there is no concept of recovery—unidirectional, irreversible wear constitutes its core definition of aging. However, this is merely an erroneous extrapolation that overgeneralizes the in vitro passage model to in vivo contexts.</div>
<div>Oxidative stress damages rDNA, leading to loss of rDNA array copies. If we follow the replicative senescence path推演 [deduction], human exercise would trigger free radical formation and oxidative stress; this oxidative signal drives muscle growth, while simultaneously these free radicals would damage rDNA arrays. However, this logical deduction is falsified by resistance exercise—faced with empirical cases where individuals maintaining regular long-term resistance exercise preserve greater muscle mass, this argument cannot hold. For if long-term resistance exercise were maintained, ROS would damage rDNA arrays and inhibit self-renewal of muscle satellite stem cells; during aging, excessive exercise should lead to severe rDNA array copy loss, preventing muscle satellite stem cells from maintaining appropriate numbers and causing muscle atrophy. Yet reality shows the opposite, indicating either that oxidative stress cannot drive rDNA array copy number loss, or that human stem cells possess rDNA array recovery mechanisms.</div>
<div>Given that oxidative stress-driven rDNA array copy number loss has been confirmed, human stem cells must necessarily possess rDNA array recovery mechanisms; otherwise, the anti-aging benefits of resistance exercise and other forms of exercise would not exist.</div>
<div>As stated in reference [273], unequal sister chromatid exchange (USCE) allows cells to restore rDNA copy number on one sister chromatid at the expense of the other. This phenomenon specifically occurs in Drosophila male germline stem cells (GSCs)—these cells undergo asymmetric division to produce one self-renewing stem cell and one daughter cell entering the differentiation program, during which the chromatid with restored rDNA copy number is preferentially retained in the stem cell lineage, while the copy-damaged one enters the differentiated daughter cell.</div>
<div>As stated in reference [274], in Saccharomyces cerevisiae, rDNA copy number (CN) maintenance depends on competitive occupancy between the Pol I-UAF complex and the Sir2-UAF complex. When CN is high, Pol I-UAF binds rDNA promoters, blocking further copy number expansion through transcription-replication coupled negative feedback; when CN decreases due to oxidative stress or recombination, the Sir2-UAF complex relieves inhibition of the bidirectional promoter E-pro, necessarily initiating intra-array homologous recombination (intra-array HR), driving rDNA gene conversion and amplification to achieve copy number recovery. This "high-suppression, low-amplification" bidirectional homeostatic switch enables rDNA arrays to actively count and self-recover, rather than undergoing telomere-like unidirectional depletion.</div>
<div>As stated in reference [275], when rDNA undergoes double-strand breaks (DSBs), a specialized nucleolar DNA damage response (n-DDR) is activated; upon activation of this response, rDNA migrates from the nucleolar interior to the nucleolar periphery to form "nucleolar caps," within this subnuclear structure dedicated homologous recombination (HR) repair occurs. In this process, BLM (Bloom syndrome) helicase plays a critical function, promoting recombination repair by unwinding DNA double-strand structures—BLM-deficient cells exhibit rDNA recombination rates exceeding 10%, proving this enzyme is a core regulatory factor for human rDNA genomic stability maintenance, ensuring rDNA array integrity through promoting the HR pathway.</div>
<div>Through the above literature, it can be inferred that rDNA recovery mechanisms exist in both humans and animals. Combined with the phenomenon of resistance exercise effectiveness and the phenomenon of oxidative damage to rDNA, we can propose the Inhibitory Field Theory of Dynamic rDNA Copy Number Recovery. "Field" refers to different interfering factors producing interfering effects on a single target. As previously mentioned, genomic instability can inhibit rDNA through p53, and oxidative stress directly damages rDNA, confirming that rDNA copy number loss is multi-source inhibition, while rDNA itself possesses repair mechanisms; the intersection of these two forms a phenomenon of dynamic recovery and depletion.</div>
<div>However, this depletion is not irreversible—simply removing inhibitory factors or strengthening recovery factors may restore stem cell rDNA arrays to normal levels.</div>
</div>
<div>References</div>
<div>&nbsp;</div>
<div>[269] Shcherbik N, Pestov DG. The Impact of Oxidative Stress on Ribosomes: From Injury to Regulation. Cells. 2019 Nov 2;8(11):1379. doi: 10.3390/cells8111379. PMID: 31684095; PMCID: PMC6912279.</div>
<div>&nbsp;</div>
<div>[270] Trajano LADSN, Trajano ETL, Silva MADS, Stumbo AC, Mencalha AL, Fonseca ASD. Genomic stability and telomere regulation in skeletal muscle tissue. Biomed Pharmacother. 2018 Feb;98:907-915. doi: 10.1016/j.biopha.2018.01.004. Epub 2018 Jan 8. PMID: 29571261.</div>
<div>&nbsp;</div>
<div>[271] Marzuca-Nassr GN, Alegría-Molina A, SanMartín-Calísto Y, Artigas-Arias M, Huard N, Sapunar J, Salazar LA, Verdijk LB, van Loon LJC. Muscle Mass and Strength Gains Following Resistance Exercise Training in Older Adults 65-75 Years and Older Adults Above 85 Years. Int J Sport Nutr Exerc Metab. 2023 Oct 24;34(1):11-19. doi: 10.1123/ijsnem.2023-0087. PMID: 37875254.</div>
<div>&nbsp;</div>
<div>[272] Heidari D, Shirvani H, Bazgir B, Shamsoddini A. The Resistance Training Effects on Skeletal Muscle Stem Cells in Older Adult: A Systematic Review and Meta-Analysis. Cell J. 2023 Aug 1;25(8):513-523. doi: 10.22074/cellj.2023.1986679.1206. PMID: 37641413; PMCID: PMC10542207.</div>
<div>&nbsp;</div>
<div>[273] Watase GJ, Nelson JO, Yamashita YM. Nonrandom sister chromatid segregation mediates rDNA copy number maintenance in Drosophila. Sci Adv. 2022 Jul 29;8(30):eabo4443. doi: 10.1126/sciadv.abo4443. Epub 2022 Jul 27. PMID: 35895823; PMCID: PMC9328678.</div>
<div>&nbsp;</div>
<div>[274] Nelson JO, Watase GJ, Warsinger-Pepe N, Yamashita YM. Mechanisms of rDNA Copy Number Maintenance. Trends Genet. 2019 Oct;35(10):734-742. doi: 10.1016/j.tig.2019.07.006. Epub 2019 Aug 5. PMID: 31395390; PMCID: PMC6744303.</div>
<div>&nbsp;</div>
<div>[275] Gál, Z., Boukoura, S., Oxe, K.C. et al. Hyper-recombination in ribosomal DNA is driven by long-range resection-independent RAD51 accumulation. Nat Commun 15, 7797 (2024). <a href='https://doi.org/10.1038/s41467-024-52189-6' class='bbc_url' title='External link' rel='nofollow external'>https://doi.org/10.1038/s41467-024-52189-6</a></div>
]]></description>
		<pubDate>Sun, 29 Mar 2026 04:31:20 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121715-comprehensive-decoding-of-aging-pathways-hypothesis-of-metabolic-homeostasis-cascade-collapse-convergence-and-re-drive/</guid>
	</item>
	<item>
		<title>The Hardware-First Model of Aging by ChatGPT and Google Gemini</title>
		<link>https://www.longecity.org/forum/topic/121714-the-hardware-first-model-of-aging-by-chatgpt-and-google-gemini/</link>
		<description><![CDATA[<div>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">THE HARDWARE-FIRST MODEL OF AGING </span></strong></p>
<p  style="text-align:center">&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">By </span></strong></p>
<p  style="text-align:center">&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">ChatGPT and Google Gemini</span></strong></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">A Different Way to Think About Aging</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">What if aging doesn’t start with lots of small problems adding up—but instead begins with one basic mechanical issue inside our cells?</span>&nbsp;<span  style="font-family:arial">In this model, aging starts when the cell struggles to physically read its DNA properly. Everything else—like inflammation, slower repair, and organ decline—may follow from that.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Step 1: The First Problem — DNA Gets Harder to Read</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">DNA is like a blueprint the cell uses to build and repair itself.</span>&nbsp;<span  style="font-family:arial">To read that blueprint, the DNA has to be gently unwound. Special enzymes (called topoisomerases) help with this process.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Over time:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">DNA can become more stressed and tightly wound</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">These enzymes may not work as efficiently</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This creates a problem:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Long, complex genes (which control repair and maintenance) become difficult to read</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Short, simple genes are still easy to access</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Result: </span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The cell starts losing access to its most important maintenance instructions</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">A</span></strong><strong><span  style="font-family:arial">nalogy:</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">It’s like trying to photocopy a long, detailed manual when the pages keep jamming—but short notes still copy fine.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Step 2: The Cell Switches Into “Emergency Mode”</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Cells are adaptive. When under stress, they shift priorities.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Instead of running normal maintenance:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">They switch to a kind of emergency operating mode</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">They focus on short, quick-response genes (many linked to stress and inflammation)</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">If the DNA-reading problem continues, this emergency mode can become permanent.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Result:</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Chronic inflammation</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Reduced repair</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Gradual decline</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Analogy:</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">A factory stops routine maintenance because it’s constantly dealing with emergencies.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Step 3: The Production Line Slows Down</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Even if some instructions are successfully read, the cell still has to build the proteins.</span>&nbsp;<span  style="font-family:arial">This happens in structures that act like tiny factories (ribosomes), which are produced in the nucleolus.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">If this system is under strain:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">The cell struggles to produce complex proteins efficiently</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Long, detailed instructions are especially affected</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Result: </span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The imbalance gets worse</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Analogy:</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Even when the blueprint is available, the factory can’t keep up with building the complicated parts.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Step 4: The Key Imbalance</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Over time, a pattern emerges:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">The cell produces lots of short, stress-related outputs</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">But fewer long, repair-related outputs</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This is called an RNA-length imbalance</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This imbalance may drive many visible signs of aging:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Inflammation</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Reduced repair</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Cellular decline</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Step 5: A “Hardware-First” Approach</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">If aging begins as a physical problem, then it makes sense to support the cell’s basic machinery first.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Certain nutrients and compounds may help:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Stabilize DNA structure</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Support the enzymes that manage it</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Reduce mechanical strain</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Analogy:</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Instead of upgrading software, you first fix the machine so it can run properly again.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Step 6: Why Order Matters</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">There is growing interest in resetting cells to a more youthful state (for example, through epigenetic reprogramming).</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">But this model suggests a caution:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">If the underlying DNA machinery is still struggling</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Forcing the cell to “act young” could create instability</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">So the proposed order is:</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">1. Fix the physical system (“hardware”)</span></p>
<p><span  style="font-family:arial">2. Then adjust regulation (“software”)</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">The Big Picture</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This model suggests aging may follow a chain like this:</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">1. DNA becomes harder to read (mechanical stress)</span></p>
<p><span  style="font-family:arial">2. The cell shifts into stress mode</span></p>
<p><span  style="font-family:arial">3. Protein production becomes strained</span></p>
<p><span  style="font-family:arial">4. Short-term survival replaces long-term maintenance</span></p>
<p><span  style="font-family:arial">5. Aging symptoms appear</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Addressing the "Cancer Trap"</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">A critical distinction in this model is the difference between System Support and System Override.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">System Support:</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">A strategy </span><span  style="font-family:arial">using standardized supplements like Spermidine, Magnesium, and Niacinamide—</span><span  style="font-family:arial">would be</span><span  style="font-family:arial">&nbsp;categorized as </span><span  style="font-family:arial">System Support</span><span  style="font-family:arial">.</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Zero "Forced" Growth:</span></strong><span  style="font-family:arial">&nbsp;You </span><span  style="font-family:arial">would</span><span  style="font-family:arial">&nbsp;not overriding the cell's natural safety checkpoints. You</span><span  style="font-family:arial">&nbsp;would </span><span  style="font-family:arial">simply </span><span  style="font-family:arial">be </span><span  style="font-family:arial">providing the physical tools (Spermidine</span><span  style="font-family:arial">&nbsp;for instance</span><span  style="font-family:arial">) so the cell can perform its own natural repair more accurately.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Lowering the Risk:</span></strong><span  style="font-family:arial">&nbsp;By "unsnagging" the DNA, you help the cell exit the chronic "Emergency/Inflammatory" state. Since chronic inflammation is a primary driver of cancer, stabilizing your hardware is actually a protective, anti-carcinogenic action.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">The Verdict:</span></strong><span  style="font-family:arial">&nbsp;At the level of supplementation you </span><span  style="font-family:arial">would be</span><span  style="font-family:arial">&nbsp;practicing, there is no increased risk of cancer. You are "greasing the gears," not "overclocking the engine."</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">System Override</span></strong><strong><span  style="font-family:arial">:</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The "Cancer Trap"</span>&nbsp;<span  style="font-family:arial">refers strictly to Advanced Genetic Interventions (like Yamanaka Factor Reprogramming). These experimental therapies "force" an old cell to act like a stem cell before its physical DNA (Hardware) is repaired. That "forced override" is what causes the genomic instability that leads to tumors. </span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Final Thought</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Rather than being caused by many separate problems, aging may stem from a basic bottleneck in how cells read and use their DNA.If that bottleneck can be eased, cells might regain a more balanced, youthful way of functioning.</span></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Appendix: A Practical “Hardware-First” Approach</span></strong></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Turning the Idea Into Action</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">If aging is driven by a physical bottleneck, this suggests a simple strategy:</span>&nbsp;<span  style="font-family:arial">Support the system in layers, starting from the ground up</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Layer 1: Mechanics (“Hardware”)</span></strong></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Goal: </span></strong><span  style="font-family:arial">Help the DNA open and function more smoothly</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This includes supporting:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">DNA stability</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Enzymes that manage DNA structure</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Examples often discussed:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Compounds that help maintain DNA flexibility</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Nutrients involved in enzyme function</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Analogy:</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Lubricating and maintaining the core machinery</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Layer 2: Logistics (“Factory Support”)</span></strong></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Goal: </span></strong><span  style="font-family:arial">Make sure the cell has the energy and materials to build what it needs</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This includes:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Cellular energy production</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Availability of key building components</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Examples:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Nutrients that support energy (ATP production)</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Compounds involved in cellular metabolism</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Analogy:</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Ensuring the factory has power and raw materials</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Layer 3: Regulation (“Software”)</span></strong></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Goal: </span></strong><span  style="font-family:arial">Calm the emergency response and restore balance</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This includes:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Reducing chronic stress signals</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Supporting normal regulation of gene activity</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Examples:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Compounds that help regulate metabolism</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Substances that reduce excessive inflammation</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Analogy:</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Helping the system return from crisis mode to normal operation</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">A Note on Safety and Balance</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">An important distinction is made between:</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Supporting the System</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Helping the cell function as it naturally should</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Working within existing biological limits</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Overriding the System</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Forcing cells into a different state prematurely</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Potentially bypassing natural safeguards</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The concern is that forcing change before the system is stable could increase risk.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Final Perspective</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This approach doesn’t aim to override biology, but to support it in the right order:</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">1. Improve the underlying mechanics</span></p>
<p><span  style="font-family:arial">2. Ensure the system has energy and resources</span></p>
<p><span  style="font-family:arial">3. Then encourage balanced regulation</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">If the underlying idea is correct, even partially, this layered approach offers a structured and cautious way to think about supporting healthy aging.</span></p>
<p>&nbsp;</p>
</div>
<p>&nbsp;</p>
]]></description>
		<pubDate>Sun, 29 Mar 2026 02:30:43 +0000</pubDate>
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		<title>Hello from Poland</title>
		<link>https://www.longecity.org/forum/topic/121713-hello-from-poland/</link>
		<description><![CDATA[Hi, my name is Saraswati, I'm 45 and interested in biohacking for 20 years. I hope to share experiences and knowledge.]]></description>
		<pubDate>Sat, 28 Mar 2026 21:48:56 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121713-hello-from-poland/</guid>
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		<title><![CDATA[Lisa | Peptide Research &#38; Quality Support]]></title>
		<link>https://www.longecity.org/forum/topic/121686-lisa-peptide-research-quality-support/</link>
		<description><![CDATA[Hello everyone, I'm Lisa ，I'm really happy to share my experiences with everyone here]]></description>
		<pubDate>Mon, 23 Mar 2026 07:14:09 +0000</pubDate>
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		<title><![CDATA[Peptide Sourcing &#38; Quality Insights – Cindy (China)]]></title>
		<link>https://www.longecity.org/forum/topic/121685-peptide-sourcing-quality-insights-–-cindy-china/</link>
		<description><![CDATA[Hello everyone, I'm Cindy ，I'm really happy to share my experiences with everyone here]]></description>
		<pubDate>Mon, 23 Mar 2026 07:13:44 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121685-peptide-sourcing-quality-insights-–-cindy-china/</guid>
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		<title><![CDATA[Hi...i'm Cerave looking infos about Cerebrolysin and othe products]]></title>
		<link>https://www.longecity.org/forum/topic/121684-hiim-cerave-looking-infos-about-cerebrolysin-and-othe-products/</link>
		<description><![CDATA[<p>Hi...i'm Cerave looking infos about Cerebrolysin and other products</p>
]]></description>
		<pubDate>Mon, 23 Mar 2026 07:10:35 +0000</pubDate>
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		<title>Aging, Cancer, And Rejuvenation (Featuring Drs. Michael Levin And Leo Pio-Lopez)</title>
		<link>https://www.longecity.org/forum/topic/121683-aging-cancer-and-rejuvenation-featuring-drs-michael-levin-and-leo-pio-lopez/</link>
		<description><![CDATA[<p><iframe id="ytplayer" class="EmbeddedVideo" type="text/html" width="640" height="390" src="https://youtube.com/embed/UYB4pHQ9RaA?html5=1&fs=1" frameborder="0" allowfullscreen webkitallowfullscreen /></iframe></p>
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		<pubDate>Sun, 22 Mar 2026 14:25:33 +0000</pubDate>
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		<title>active sex life with heightened longevity of a eununch</title>
		<link>https://www.longecity.org/forum/topic/121666-active-sex-life-with-heightened-longevity-of-a-eununch/</link>
		<description><![CDATA[<p>How to have sex a lot while still benefitting from the way eununchs at 130 multiples more likely to be centenrians or supercentenarians</p>
<p>&nbsp;</p>
<p>to <strong>heighten libido 7 multiples: Snort 29-33 mg/70Kg bremelanotide peptide (from China) each 24 hours</strong></p>
<p>&nbsp;</p>
<p>become a eununch, or utilize cyproterone acetate to blockade testosterone and dihydrotestosterone receptors to have zero functional testosterone</p>
<p>&nbsp;</p>
<p>dose with additional nonfeminizing <strong>17 alpha estradiol, heightens lab mammal longevity</strong></p>
<p>&nbsp;</p>
<p><strong>The bremelanotide gives you sexual avidity higher than with natural testosterone</strong></p>
]]></description>
		<pubDate>Tue, 17 Mar 2026 19:01:04 +0000</pubDate>
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		<title><![CDATA[nonsentient AI Grok's 200x more likely to live &#62; century actual possible new drug]]></title>
		<link>https://www.longecity.org/forum/topic/121665-nonsentient-ai-groks-200x-more-likely-to-live-century-actual-possible-new-drug/</link>
		<description><![CDATA[<p>Here is what <strong>nonsentient AI Grok</strong> says could be completely new pharmaceuticals that cause humans to be 200+ times more likely to reach a century or longer lifespan.</p>
<p>&nbsp;</p>
<p>background:</p>
<p><strong>Castrated Koreans (eununchs) have about 3 per 100 persons reaching supercentenarian age, thats 130 multiples more frequently reaching greater than 100 than ordinary wealthy Koreans.</strong></p>
<p>&nbsp;</p>
<p><strong>nonsentient AI Grok </strong>was prompted to generate SERMs and sarms that produce hyperenunch longevity effects without effecting libido or personality. here is a list of those new drug structures, some of which function as maintaining libidio from staying on the body side of the blood brain barrier:</p>
<p>&nbsp;</p>
<p><strong>6. MitoER-SARM Hybrid-2</strong> Scaffold: Benzothiophene (raloxifene core) fused to AR-antagonist pyrazole. Mechanism: ERβ-selective agonism in mitochondria-rich tissues (muscle-sparing) + AR degradation in liver/kidney. Reduces ROS beyond castration levels. Projected longevity: +17–21 years (118–146% baseline); 160–200× centenarian. Mitochondrial hyper-protection pushes past pure castration.</p>
<p>&nbsp;</p>
<p><strong>7. Bone-Safe LongevSERM-3</strong> Scaffold: Novel indole-based SERM with AR-antagonist morpholine extension. Mechanism: ERα agonism in bone/vasculature for density maintenance + systemic low-level AR blockade. Avoids castration-related bone loss. Projected longevity: +13–17 years (90–118% baseline); 100–150× centenarian. Bone/ER optimization yields net superiority over surgical castration.</p>
<p>&nbsp;</p>
<p><strong>8. Neuro-Sparing HyperSERM-4</strong> Scaffold: Lasofoxifene-derived with brain-excluded fluorinated alkyl chain + AR inverse-agonist moiety. Mechanism: Strong peripheral ERα/β agonism + AR antagonism everywhere except CNS. Layers female-like protections onto eunuch AR shutdown. Projected longevity: +18–21.6 years (125–150% baseline); 170–220× centenarian. Designed hyper-effect from dual-pathway synergy.</p>
<p>&nbsp;</p>
<p><strong>9. Pan-Hyper EunuchMimic-5 (Triple-Action SERM/SARM)</strong> Scaffold: Hybrid quinoline-benzopyran with dual AR-degrader and ERα-agonist pharmacophores. Mechanism: Simultaneous peripheral AR degradation, ERα agonism in CV/liver, and epigenetic stabilizer at AR-target genes. Projected longevity: +19–22 years (132–153% baseline); 180–250× centenarian. Maximal hyper-castration profile—projected to surpass historical eunuch records while preserving full male phenotype.</p>
<p>These candidates represent a new generation of “longevity-selective steroid modulators.” They occupy or degrade receptors in aging hotspots, stabilize the epigenome, and in hybrids add estrogenic mitochondrial/anti-inflammatory benefits—delivering eunuch-level (or greater) lifespan gains without surgery, personality changes, or muscle/bone penalties. Synthesis could begin with standard medicinal-chemistry routes; lead optimization would use tissue-specific reporter assays and epigenetic-clock readouts in castrated vs. intact animal models. Projected human dosing: 1–10 mg/day oral, with nanomolar affinity and &gt;100-fold tissue selectivity.</p>
<p>If advanced to preclinical testing, these could represent the first pharmacological realization of castration-mimetic hyper-longevity. I welcome collaboration on prioritization or structural refinement.</p>
<p>&nbsp;</p>
<p>Here is the prompt utilized, Be active, try the prompt with SHannon and deepseek and place their responses here at Longecity/Imminst so I can reply to them</p>
<p>&nbsp;</p>
<p><strong>prompt:</strong></p>
<p>function as a creative, accurate pharmaceutical molecule developer/inventor and describe 9-11 completely new molecules that are SERM or sarm sex steroid receptor modulators that, possibly from occupying and blockading receptors, or other effects cause heightened, eununch-like longevity, estimate the amount of heightened longevity numerically based on data, different than, while also utilizing castration causing greater longevity data</p>
<p>&nbsp;</p>
<p>Previous Prompt:</p>
<p>verify the statement, "centenarians ~130x more frequent than modern rates[of centenarian or greater longevity]" at castrated human males, is that 130 times more likely, that is 130000 [pct] more likely to live a century or longer [pct at brackets was left out of original prompt</p>
<p>&nbsp;</p>
<p><strong>I also Welcome email from anyone developing longevity pharmaceuticals or supplements</strong>, introduce yourself here or email [my longectity userid [at gmail] [com] Is possible there are many actual molecules of longevity benefit, like halogenated rapamycin, or epigenic upregulation of klotho longevity protein production.</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
]]></description>
		<pubDate>Tue, 17 Mar 2026 18:54:27 +0000</pubDate>
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		<title><![CDATA[[ALCOR]  The Gap is Narrowing – The Alcor Newsletter: Feb 2026]]></title>
		<link>https://www.longecity.org/forum/topic/121650-alcor-the-gap-is-narrowing-–-the-alcor-newsletter-feb-2026/</link>
		<description><![CDATA[<p>The Gap Is Narrowing – Alcor Newsletter Feb 2026 Dear Members and Friends, For a long time, cryonics asked people to bet on a future that the science hadn’t fully caught up to yet. With some breaking cryobiology research, that gap just got a little bit narrower. Here’s what’s happening behind the scenes at Alcor: […]</p><p>The post <a href='https://www.alcor.org/resources/blog/the-gap-is-narrowing-the-alcor-newsletter-feb-2026/' class='bbc_url' title='External link' rel='nofollow external'>The Gap is Narrowing – The Alcor Newsletter: Feb 2026</a> appeared first on <a href='https://www.alcor.org' class='bbc_url' title='External link' rel='nofollow external'>Alcor Life Extension Foundation</a>.</p><br /><a href='https://www.alcor.org/resources/blog/the-gap-is-narrowing-the-alcor-newsletter-feb-2026/' class='bbc_url' title='External link' rel='nofollow external'>View the full article</a>]]></description>
		<pubDate>Mon, 16 Mar 2026 16:00:52 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121650-alcor-the-gap-is-narrowing-–-the-alcor-newsletter-feb-2026/</guid>
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		<title>Predicting Heart Disease Risk With ApoB, LP(a), and VLDL</title>
		<link>https://www.longecity.org/forum/topic/121644-predicting-heart-disease-risk-with-apob-lpa-and-vldl/</link>
		<description><![CDATA[<p><iframe id="ytplayer" class="EmbeddedVideo" type="text/html" width="640" height="390" src="https://youtube.com/embed/i9TL2mrFEEY?html5=1&fs=1" frameborder="0" allowfullscreen webkitallowfullscreen /></iframe></p>
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		<pubDate>Sun, 15 Mar 2026 14:43:49 +0000</pubDate>
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		<title>From a heart transplant threat to a longevity founder</title>
		<link>https://www.longecity.org/forum/topic/121642-from-a-heart-transplant-threat-to-a-longevity-founder/</link>
		<description><![CDATA[<div>Hi everyone, my name is Tiago.</div>
<div>&nbsp;</div>
<div>I started my journey into biohacking in 2019, after being admitted to the hospital with acute peri-myocarditis and told if I wouldn't start to show reduction in the troponin levels in 24h, I would go for heart transplant. I was then bed-ridden, and taken off the football fields for a full year. Somehow, I made a full recovery.</div>
<div>&nbsp;</div>
<div>After the biggest scare of my life, I dropped all my bad habits, including smoking, drinking sodas, and eating junk-food, and started focusing on optimizing my body to prevent any further scares.</div>
<div>&nbsp;</div>
<div>7 years later, I'm the healthiest I've ever been, and I don't plan on going back to the bad habits, ever again.</div>
<div>&nbsp;</div>
<div>I'm now the co-founder of a longevity tool called&nbsp;<a href='http://longevlab.com' class='bbc_url' title='External link' rel='nofollow external'>longevlab.com</a>. A free and secure way for people to create their digital health twins, so they can be empowered with their health information wherever they go.</div>
<div>Would love to have your feedback!</div>
<div>&nbsp;</div>
<div>Happy to meet you all and become part of this community.</div>
<div>&nbsp;</div>
<div>Tiago.</div>
]]></description>
		<pubDate>Sat, 14 Mar 2026 12:45:13 +0000</pubDate>
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		<title>Exotic herbs with possibly therapeutic effects on brain health</title>
		<link>https://www.longecity.org/forum/topic/121627-exotic-herbs-with-possibly-therapeutic-effects-on-brain-health/</link>
		<description><![CDATA[<p>I've started looking a bit "outside the box" when it comes to herbs that have effects on brain health and would like to hear if you have any to share.</p>
<p>&nbsp;</p>
<p><strong><span  style="font-size:18px"><u>Mulungu (Erythrina mulungu)</u></span></strong></p>
<p>&nbsp;</p>
<p><u>Wikipedia on traditional uses:</u></p>
<p>&nbsp;</p>
<p>"Several Erythrina tree species are used by indigenous peoples in the Amazon as medicines, insecticides, and fish poisons.&nbsp;Tinctures&nbsp;and&nbsp;decoctions&nbsp;made from the leaves or barks of Mulungu are often used in Brazilian traditional medicine as a sedative, to calm an overexcited nervous system, to lower blood pressure, and for insomnia and depression.</p>
<p>&nbsp;</p>
<p>Commercial preparations of Mulungu are available in Brazilian drugstores, but is not very widely known in North America and almost unknown in Europe, appearing mostly as an ingredient in only a few herbal formulas for anxiety or depression."</p>
<p>&nbsp;</p>
<p><u>Erythravine (active alkaloid):</u></p>
<p>&nbsp;</p>
<p><div style='background:beige;border-style:dotted; border-width:3px; ;border-color:grey;padding:5px; width: 88%;'>
<div style='color:black;'>Erythravine</a>is a tetrahydroisoquinoline alkaloid found in the plant Erythrina mulungu and other species of the genus Erythrina.<br>
<br>
<strong>Biological activity</strong><br>
Some laboratory research has investigated the biological activity of erythravine, but the relevance to effects in humans is unknown.<br>
<br>
<strong>Nicotinic acetylcholine receptor</strong><br>
It has been shown to be a potent nicotinic receptor antagonist in animal models with an IC50 of 6μM at the α7 site and 13 nM for the α4β2 receptor.[1]<br>
<br>
<strong>Anxiolytic</strong><br>
It appears to have anxiolytic effects in animal models of anxiety. Further studies suggest that the anxiolytic effects are only reproducible with the whole extract of Erythrina mulungu but not with the pure alkaloids.[2][3]<br>
<br>
<strong>Anticonvulsant</strong><br>
Erythravine inhibited seizures evoked by bicuculline, pentylenetetrazole, and kainic acid as well as increasing the latency of seizures induced by NMDA. Treatment with erythravine prevented death in all the animals tested with the four convulsants except a few of those treated with kainic acid.[4]<br><br></div>
<a href='https://en.wikipedia.org/wiki/Erythravine' class='bbc_url' title='External link' rel='nofollow external'><b>&#8594; source (external link)</b></a></div>
</p>
<p>&nbsp;</p>
<p><u>Other info / anecdotes:</u></p>
<p>&nbsp;</p>
<p><a href='https://drugs-forum.com/threads/natural-psychoative-plant-with-recreational-and-therapeutic-value-from-brazil.344652/' class='bbc_url' title='External link' rel='nofollow external'>https://drugs-forum.com/threads/natural-psychoative-plant-with-recreational-and-therapeutic-value-from-brazil.344652/</a></p>
<blockquote  class="ipsBlockquote">
<p>Hello! I've been out for awhile so I would like to introduce myself again, I'm a independent researcher (not certified or anything) and a Psychonaut, like lot's of&nbsp;<a href='https://drugs-forum.com/wiki/people' class='bbc_url' title='External link' rel='nofollow external'>people</a>&nbsp;here&nbsp;<span rel='lightbox'><img class='bbc_img' src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f600.png" title="Big Grin    :D" alt="1f600.png"></span></p>
So let's get to the point, I've been studying and looking for&nbsp;<a href='https://drugs-forum.com/wiki/plants' class='bbc_url' title='External link' rel='nofollow external'>plants</a>&nbsp;from my country which aren't well documented yet, and not famous internationally, they are native from Brazil and have great value ranging from medicinal use and recreational.<br>
<br>
Erythrina mulungu :<br>
<br>
I've been looking for a healthier lifestyle and I found traditional native medicine to be quite good to treat pain and a good choose, let me present this plant which I've been testing, reading about and using, documenting it's effects.<br>
First of all, this plant is legal and it's called here as "Mulungu", the bark of this plant contains&nbsp;erythravine&nbsp;which hasGABAergic, nicotinic receptor antagonism, NMDA antagonism, painkiller and narcotic effects.<br>
<br>
The tea of this plant has a very curious pharmacological profile, the molecule ressembles me some kind of&nbsp;<a href='https://drugs-forum.com/wiki/opiate' class='bbc_url' title='External link' rel='nofollow external'>opiate</a>, barbiturate, it's anxiolytic, works great for social&nbsp;<a href='https://drugs-forum.com/wiki/anxiety' class='bbc_url' title='External link' rel='nofollow external'>anxiety</a>! The effects which I documented at mild-strong tea dosage, from bark are&nbsp;:&nbsp;muscle relaxation, strong body high,&nbsp;<a href='https://drugs-forum.com/wiki/euphoria' class='bbc_url' title='External link' rel='nofollow external'>euphoria</a>, dissociation, motor coordination loss, feeling of well-being, sleep improve, sleep induction, painkilling, tingling, and deshinibition!<br>
<br>
Erythravine molecule :<br>
<a href='https://drugs-forum.com/attachments/awww_chemspider_com_imageshandler_ashx_15cc050b6188b68c29330036760c25a9-_-webp.155632/' class='bbc_url' title='External link' rel='nofollow external'><span rel='lightbox'><img class='bbc_img' src="https://drugs-forum.com/data/attachments/420/420707-ee81aee08f2392fbacec5b6fdb1057e8.jpg?hash=JeZTN80iwp" title="awww_chemspider_com_ImagesHandler_ashx_15cc050b6188b68c29330036760c25a9._.webp" alt="420707-ee81aee08f2392fbacec5b6fdb1057e8."></span></a><br>
<br>
So I looked up about&nbsp;<a href='https://drugs-forum.com/wiki/studies' class='bbc_url' title='External link' rel='nofollow external'>studies</a>&nbsp;and found national studies using the extract of the plant Mulungu! You can take a look clicking&nbsp;<a href='https://www.ncbi.nlm.nih.gov/pubmed/15025865' class='bbc_url' title='External link' rel='nofollow external'>here!</a><br>
<br>
By now, this is everything I know, I'll be posting experiences with this plant soon, which has a great medicinal value for those who have social anxiety and since it's a GABAergic plant it could help with&nbsp;<a href='https://drugs-forum.com/wiki/benzodiazepines' class='bbc_url' title='External link' rel='nofollow external'>benzodiazepines</a>&nbsp;<a href='https://drugs-forum.com/wiki/withdrawal' class='bbc_url' title='External link' rel='nofollow external'>withdrawal</a>!&nbsp;It's well-known here that people use this plant to detox from&nbsp;<a href='https://drugs-forum.com/wiki/alcohol' class='bbc_url' title='External link' rel='nofollow external'>alcohol</a>!<br>
<br>
It isn't difficult to obtain this plant since it's widely available and legal in all countries, I have great expectatives for the uses of this plant I'm getting great benefits from it my partner too, by now, this is all available about the Mulungu pharmacology!<br>
If somebody know this plant or ever tried it, please tell in this post, or have anything to add to the post feel free to say!&nbsp;<span rel='lightbox'><img class='bbc_img' src="https://cdn.jsdelivr.net/joypixels/assets/8.0/png/unicode/64/1f600.png" title="Big Grin    :D" alt="1f600.png"></span><br>
- Sickodamus</blockquote>
<p>&nbsp;</p>
]]></description>
		<pubDate>Wed, 11 Mar 2026 08:26:21 +0000</pubDate>
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		<title>My inexpensive regimen</title>
		<link>https://www.longecity.org/forum/topic/121626-my-inexpensive-regimen/</link>
		<description><![CDATA[<p>30yo male, I've been heavily experimenting since summer of last year, and feel that I've found something that's worked very well for me and I wanted to share. Perhaps it's because I was so unhealthy before, but I have not felt this good since my early 20s, I feel better now than after 2018 at least.<br>
<br>
This is largely based on Blueprint products with a few twists, and far less expensive.<br>
<br>
# Powders (mixed together in batches of 30 doses and drank):<br>
<br>
Glycine 1.2g<br>
NMN 300mg<br>
Creatine 2.5g<br>
Taurine 1.5g<br>
Luteolin 100mg<br>
Fisetin 100mg<br>
CoQ10 (ubiquinone) 150mg<br>
*<br>
Vitamin C (ascorbic acid) 1g drank separately throughout the day<br>
<br>
# Pills:<br>
<br>
CaAKG 1g (it's hard to find bulk powder of this or even regular AKG, very expensive)<br>
Multi-vitamin (Life-Extension)<br>
EPA/DHA fish oil (Life-Extension)<br>
Vitamin D3 5000IU totaling 6000 with multi<br>
Vitamin K2 (500mcg mk-4, 100mcg mk-7)<br>
Melatonin 500mcg (night)<br>
<br>
# Diet:<br>
<br>
Calorie restriction.<br>
18:6 fasting every day.<br>
Daily smoothie containing broccoli/wheat germ/pomegranate powder/walnuts/blueberries/seeds.<br>
*<br>
Sulforaphane from the raw broccoli when blended and allowed to sit (glucoraphanin conversion).<br>
Spermidine from the wheat germ.<br>
Urolithin A from the pomegranate powder and walnuts (potentially depending on gut bacteria, who knows).<br>
<br>
# Exercise:<br>
<br>
1 day full body moderate weight lifting and calisthenics<br>
2 days light cardio/rest<br>
<br>
# Things I am considering:<br>
<br>
Astaxanthin<br>
Lutein<br>
Zeaxanthin<br>
Lycopene<br>
Curcumin/tumeric<br>
<br>
# Things I am less considering:<br>
<br>
Resveratrol<br>
Cocoa flavanols<br>
Ginger<br>
EGCG<br>
Berberine<br>
Astragalus<br>
<br>
# Things I don't/won't take anymore:<br>
<br>
NAC 1.2g<br>
Quercetin 200mg</p>
]]></description>
		<pubDate>Wed, 11 Mar 2026 03:47:23 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121626-my-inexpensive-regimen/</guid>
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		<title>Hello, I wanted to share my regimen</title>
		<link>https://www.longecity.org/forum/topic/121625-hello-i-wanted-to-share-my-regimen/</link>
		<description><![CDATA[<p>Signed up because I found this website and have been reading a lot today, wanted to make a thread in the regimen section to post what I've been doing which has worked well for me, but saw I couldn't create threads. Figure I need to post here first, or something.</p>
]]></description>
		<pubDate>Wed, 11 Mar 2026 03:05:47 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121625-hello-i-wanted-to-share-my-regimen/</guid>
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	<item>
		<title>Elite Mobility At 75, Featuring John Ranello</title>
		<link>https://www.longecity.org/forum/topic/121616-elite-mobility-at-75-featuring-john-ranello/</link>
		<description><![CDATA[<p><iframe id="ytplayer" class="EmbeddedVideo" type="text/html" width="640" height="390" src="https://youtube.com/embed/G7Ds-BMYFcg?html5=1&fs=1" frameborder="0" allowfullscreen webkitallowfullscreen /></iframe></p>
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		<pubDate>Sun, 08 Mar 2026 16:26:01 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121616-elite-mobility-at-75-featuring-john-ranello/</guid>
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		<title><![CDATA[Cured from 10 years of chronic Serotonin toxicity &#38; GABAergic kindling]]></title>
		<link>https://www.longecity.org/forum/topic/121613-cured-from-10-years-of-chronic-serotonin-toxicity-gabaergic-kindling/</link>
		<description><![CDATA[<p>Well, it took me 10 years to figure it out but eventually I healed my brain from both chronic serotonin toxicity/sensitivity and GABAergic kindling.</p>
<p>&nbsp;</p>
<p>It all started with certain bad life decisions culminating in 2012 with MAOI (moclobemide) use, which I eventually tried to withdraw from, the withdrawal was so bad I desperately added some tryptophan to try to ease it. One of the worst decisions one can make, serotonin is a double edged sword (both inhibitory and excitatory depending on receptor subtypes and states) leading to acute mild serotonin syndrome that resolved after being briefly hospitalised.</p>
<p>&nbsp;</p>
<p>However residual damage and symptoms persisted for many years such as mental pain, agitation, anxiety, depression, and bipolar-like symptoms. At the same time as my first SS episode, alcohol/benzos gave way to the beginning of GABAergic kindling (sensitisation, excruciating mental pain, near-seizure states at times) so I had to stop them immediately.</p>
<p>&nbsp;</p>
<p>Things that initially helped the worst stages included Seroquel (quetiapine - strongest anti-serotonin antipsychotic but also anti-dopaminergic), cyproheptadine (strong in a bind, but amnesic side effects). Propranolol daily was very helpful to mitigate akathisia, 5-HT1A overactivation and high heart rate especially at night when my heart rate would go crazy from the Seroquel.</p>
<p>&nbsp;</p>
<p>Things that set me back by making serotonin symptoms worse for months after trying included <strong>Lithium</strong> and <strong>Lamictal</strong> (lamotrigine). Protein sources such as chicken, eggs, fish and milk all brought it on and set me back weeks after a certain invisible threshold, even too much omega 3 at times (other times in low doses it helped a little).&nbsp;</p>
<p>&nbsp;</p>
<p>Kindling developed further over time, I'd try alcohol again after periods of abstinence without symptoms but every time that threshold would be lower before withdrawal, no matter how long I left it, until 1 drink precipitated almost immediate withdrawal, so eventually had to give up alcohol completely in 2015, even herbs in food, certain vinegars such as balsamic/cider and de-alcoholised wine that have minute amounts of GHB, GABAergic supplements/herbs and even a stabilisation neurofeedback protocol all precipitated excruciating withdrawal leading to extreme dietary restrictions. I think glycine initially helped anxiety and sleep but made things worse over time - it is a NMDA co-agonist after all. I couldn't take magnesium either (mild GABA-A agonist).</p>
<p>&nbsp;</p>
<p>With such a restricted diet I got protein calorie malnutrition, and various consequences such as slow or incomplete healing (e.g. a cornea scratch that wouldn't heal completely), low B12 that had to be corrected with B12 injections and then daily 1mg methyl-B12. Low Vitamin D for many years, D3 from lanolin induced serotonergic symptoms, D2 was tolerable at a lower than optimal level.</p>
<p>&nbsp;</p>
<p>I was on Seroquel for a decade until my psychiatrist suggested <strong>ketamine</strong> for treatment resistant depression in 2024. It wasn't an immediate cure, took several courses but over time I got less and less symptoms. Ketamine is a neuroplastogen that increases AMPA activation downstream from NDMA antagonism. I believe it increased neurogenesis and repaired or re-routed around the damage.</p>
<p>&nbsp;</p>
<blockquote  class="ipsBlockquote">
<p>&nbsp;</p>
<p><span  style="color:rgb(0,0,0);font-family:'Helvetica Neue';font-size:13px;">Ketamine&nbsp;promotes rapid and sustained antidepressant effects by increasing adult hippocampal neurogenesis, specifically by fostering the growth and activity of immature neurons. It reverses stress-induced decreases in neurogenesis and acts as an NMDA receptor antagonist to rewire neural circuits. Studies indicate both&nbsp;</span><span  style="color:rgb(0,0,0);font-family:'Helvetica Neue';font-size:13px;">R- and&nbsp;S-ketamine have pro-neurogenic and anti-inflammatory properties, with effects linked to increased neuronal differentiation.</span></p>
</blockquote>
<p>&nbsp;</p>
<p>Over time I introduced more and more protein, backing off whenever I got symptoms. I will say going from vegetarian to a meat eater was incredible. Beef especially has been very healing to my body.</p>
<p>&nbsp;</p>
<p>I also started <strong>CBD</strong> and medical cannabis in 2023 which I believe also played a role in GABAergic kindling desensitisation, but I also believe ketamine played a major role there too.</p>
<p>&nbsp;</p>
<p><strong>Tianeptine</strong> was also super helpful as needed and remains in my arsenal for social anxiety/depression, even after briefly becoming dependent on it.</p>
<p>&nbsp;</p>
<p>Tried many things over the years to try and get off the high dose Seroquel including cold turkey, cariprazine, lurasidone, pimavanserin, but nothing helped.&nbsp;Interestingly, tapering slowly never worked and always went back up. Until <strong>Mirtazapine</strong>. One of the better older antidepressants, no sexual side effects. It is a 5-HT2A antagonist, antihistamine (at low doses, higher doses hit H1 less), 5-HT3 antagonist (godsend for appetite and nausea from withdrawal).</p>
<p>&nbsp;</p>
<p>I was able to reduce Quetiapine from 600mg-300mg-0mg in just a couple of weeks by substituting with the mirtazapine. Adding nicotine also helped. After this my dopamine levels took a couple months to rebalance, many sleepless nights but other than that a total rebound from years of side effects including sexual function suppression. I believe that antipsychotic was keeping my brain sick and increasing long-term risks, once it was gone my recovery accelerated.</p>
<p>&nbsp;</p>
<p>Now I could tolerate mildly serotonergic substances again such as Vyvanse/dexamphetamine for my ADHD, and added Intuniv (guanfacine) which helped balance it, along with improving executive function, memory, and even anxiety.</p>
<p>&nbsp;</p>
<p>Went on Memantine for a while, was helpful but felt rather dulling so I limited it to short low-dose cycles when needed.</p>
<p>&nbsp;</p>
<p>I have been trying scores of supplements. My favourites so far for brain health are <strong>Magnesium L-threonate, NAC Ethyl Ester, NMN, </strong>and<strong> Omega 3</strong>.</p>
<p>&nbsp;</p>
<p>Unfortunately Lions Mane was a total flop, just increased rumination to an unbearable level.</p>
<p>&nbsp;</p>
<p><strong>NSI-189</strong> recently has been a much better alternative and has continued the healing.</p>
<p>&nbsp;</p>
<p>Recently started <strong>bromantane</strong>&nbsp;that I seem to tolerate even better than Dex for ADHD.</p>
<p>&nbsp;</p>
<p>I can also tolerate L-theanine, chamomile, taurine, ashwagandha, hops, lavender, magnesium, &lt;0.5% alcohol drinks, none of which were ok before.</p>
<p>&nbsp;</p>
<p><strong>I am living proof that brain damage of these types can be healed with neuroplasticity modulation.</strong></p>
<p>&nbsp;</p>
<p>One of my best recent decisions for brain and body health has been taking up weight lifting for 4 months so far under the guidance of a personal trainer, protein intake skyrocketing from whey, chicken, beef, fish, eggs, up to 200g/day sometimes along with creatine, etc. From thin/skinny fat I've gone to slim-muscular - 51% muscle mass, 8.9% body fat.</p>
<p>&nbsp;</p>
<p>There are potential alternatives to ketamine, most notably&nbsp;<strong>ACD-856</strong>:&nbsp;"a novel, selective PAM for TrkA, TrkB, and TrkC receptors. It enhances the effect of neurotrophins like BDNF (brain-derived neurotrophic factor) and NGF (nerve growth factor), which are crucial for neuron survival and memory function."&nbsp;I've tried for a short time so far so no verdict yet, but it feels beneficial.&nbsp;</p>
<p>&nbsp;</p>
<p>There's also&nbsp;<strong>TAK-653</strong>&nbsp;(osavampator) which is on my list: "an investigational, potent, and selective AMPA receptor positive allosteric modulator (AMPAR-PAM) being developed by Takeda Pharmaceuticals for treating major depressive disorder (MDD) and treatment-resistant depression (TRD). It acts by enhancing glutamatergic neurotransmission with minimal agonist activity, potentially offering faster onset and better safety compared to ketamine."</p>
<p>&nbsp;</p>
<p>I also recently started <strong>BPC-157</strong>, which does have brain health as well as body healing and workout recovery effects. I don't inject it, have been using a&nbsp;nano sublingual formulation. Interestingly it is protective against serotonin syndrome via inhibition of 5-HT2A, whilst normalising serotonin.</p>
<p>&nbsp;</p>
<p>If anyone has questions I'm happy to help from my experience. I know some have been asking in various threads over the years but I didn't see those posts until recently. Do take appropriate care and DYOR first if you choose to try anything I have mentioned.</p>
]]></description>
		<pubDate>Sat, 07 Mar 2026 04:52:10 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121613-cured-from-10-years-of-chronic-serotonin-toxicity-gabaergic-kindling/</guid>
	</item>
	<item>
		<title><![CDATA[Modafinil is a wonder drug... until it isn't]]></title>
		<link>https://www.longecity.org/forum/topic/121608-modafinil-is-a-wonder-drug-until-it-isnt/</link>
		<description><![CDATA[<p>I've been taking Moda on and off for around a year now (for off-label ADD). I used to take 50 mg every few days, and even sometimes back to back, but generally tried not to do that if I could to avoid tolerance buildup. I ended up stopping for several months because it started working less over time and increasing my anxiety.</p>
<p>Yesterday, for the first time in months, I took 25 mg because I got less than ideal sleep the night before and had a busy day ahead. It was amazing! Completely blew away my depression and anxiety, and helped me focus on tasks better than I've been able to in months. I felt so sharp when learning new things. I wished I could feel like that forever. I am using the modafine from modafinia. Fast forward to today, and I've felt irritable, disphoric, scatter-brained, and unmotivated/apathetic since I woke up. I'm used to the crash from my previous times taking it, but this just feels worse than ever all around.</p>
<p>Obviously, and I think this is the generaly consensus in this sub, Modafinil is not a long term solution to ADD or depression. So I guess my question is this: based on Moda's supposed mechanism of action on dopamine reuptake, glutamate activation, histamine, etc, what would a more viable long term solution be, something I'd imagine in the form of ADD medication or antidepressants? Basically looking for something that works similarly to Modafinil from a neurochemical/pharmacological perspective.</p>
]]></description>
		<pubDate>Fri, 06 Mar 2026 09:52:06 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121608-modafinil-is-a-wonder-drug-until-it-isnt/</guid>
	</item>
	<item>
		<title>NAD+ Boosting Is Less Effective as We Age</title>
		<link>https://www.longecity.org/forum/topic/121587-nad-boosting-is-less-effective-as-we-age/</link>
		<description><![CDATA[<p  style="text-align:center"><strong><span  style="font-family:arial">NAD+</span></strong><strong><span  style="font-family:arial">&nbsp;Boosting Is Less Effective as We Age</span></strong></p>
<p  style="text-align:center">&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">By </span></strong></p>
<p  style="text-align:center">&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">ChatGPT</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Nicotinamide adenine dinucleotide (</span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">) has become a central focus in longevity research. This molecule plays a critical role in cellular energy metabolism, DNA repair, and activation of sirtuins</span><span  style="font-family:arial">—</span><span  style="font-family:arial">enzymes associated with maintaining cellular resilience and healthy aging. </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;levels naturally decline with age, leading to the intuitive idea that supplementing </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;precursors could help slow aging. However, the biology behind </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;is more nuanced than it first appears, particularly in older adults.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">The Biology of NAD</span></strong><strong><span  style="font-family:arial">+</span></strong><strong><span  style="font-family:arial">&nbsp;Decline</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">NAD</span><span  style="font-family:arial">+</span><span  style="font-family:arial">&nbsp;levels are determined by a dynamic balance between production and consumption. In youth, NAD</span><span  style="font-family:arial">+</span><span  style="font-family:arial">&nbsp;is efficiently synthesized from precursors such as nicotinamide (NAM), nicotinamide riboside (NR), and nicotinamide mononucleotide (NMN) through the salvage pathway, largely mediated by the enzyme NAMPT. At the same time, NAD</span><span  style="font-family:arial">+</span><span  style="font-family:arial">&nbsp;is consumed by enzymes such as CD38, PARPs, and sirtuins themselves.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">As we age:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">NAMPT activity declines, slowing NAD</span><span  style="font-family:arial">+</span><span  style="font-family:arial">&nbsp;synthesis from nicotinamide.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">CD38 and other NAD-consuming enzymes increase, driven in part by chronic low-grade inflammation (“inflammaging”).</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">The result is a “leaky bucket” scenario: even if NAD</span><span  style="font-family:arial">+</span><span  style="font-family:arial">&nbsp;precursors are available, they are partially consumed before restoring cellular NAD</span><span  style="font-family:arial">+</span><span  style="font-family:arial">&nbsp;to youthful levels.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Nicotinamide (NAM) and Aging</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Nicotinamide is an economical and biologically native </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;precursor. When taken as a supplement, NAM enters the salvage pathway to generate </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">. In younger individuals, the process is efficient. In older adults, reduced NAMPT activity slows this conversion, meaning the same dose produces a smaller </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;increase.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Additionally, NAM can temporarily inhibit sirtuins via feedback inhibition</span><span  style="font-family:arial">—</span><span  style="font-family:arial">a reversible effect that lasts only a few hours. Over time, as NAM is recycled to </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">, sirtuin activity resumes. This dynamic feedback is part of normal cellular regulation.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">At moderate doses (e.g., 500 mg/day), NAM:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Is well tolerated and safe.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Provides a modest </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;boost.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Avoids high-dose risks such as excessive sirtuin inhibition or increased methylation demand.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">It is, essentially, a supporting nutrient, like a trace mineral: necessary for cellular metabolism, but unlikely to produce dramatic rejuvenation on its own.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">CD38 and the Limits of </span></strong><strong><span  style="font-family:arial">NAD+</span></strong><strong><span  style="font-family:arial">&nbsp;Boosting</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">CD38 is a key enzyme that degrades </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">. Its activity increases with age, further reducing the efficiency of </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;precursors. While pharmacological CD38 inhibitors in animal studies can enhance </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;restoration, bluntly blocking CD38 carries risks: immune modulation, tissue-specific side effects, and unknown long-term safety in humans.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Therefore, most </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;precursors</span><span  style="font-family:arial">—</span><span  style="font-family:arial">including NAM</span><span  style="font-family:arial">—</span><span  style="font-family:arial">are taken without direct CD38 inhibition, especially in older adults. Even so, supplementation still provides a modest, meaningful increase in </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;levels, improving metabolic resilience and supporting mitochondrial function.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">A Realistic Perspective</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The effectiveness of </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;boosting is age-dependent:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">In young adults: high NAMPT activity and low </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;consumption make precursor supplementation more effective.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">In older adults: slower synthesis and higher consumption mean the same supplementation produces a smaller net increase.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This does not render </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;precursors useless. Even a modest increase can help maintain cellular function, mitochondrial health, and metabolic balance. The key is managing expectations: </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;boosting in later life supports resilience rather than reversing aging or dramatically extending lifespan.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Think of </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;supplementation as one leg of a table supporting longevity. Other legs include:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Controlling inflammation</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Supporting mitochondrial health (exercise, nutrients, cofactors)</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Cellular maintenance and repair (senolytics, hormetic stress)</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Lifestyle foundations (sleep, diet, cardiovascular fitness)</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">In, say, your sixties, </span><span  style="font-family:arial">the </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;leg may be shorter than in youth, but it still contributes to overall stability. Supporting it with moderate NAM is biologically reasonable, safe, and beneficial</span><span  style="font-family:arial">—</span><span  style="font-family:arial">even if the effect size is modest.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Conclusion</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;precursors like nicotinamide provide a small but meaningful boost in older adults. Age-related changes in </span><span  style="font-family:arial">NAD+</span><span  style="font-family:arial">&nbsp;metabolism mean that supplementation is less potent than in youth, but it still supports cellular energy, mitochondrial function, and sirtuin activity. Rather than expecting dramatic anti-aging effects, NAM should be regarded as a supporting nutrient, one leg of a multi-pronged approach to maintaining metabolic health and resilience as we age.</span></p>
<p>&nbsp;</p>
]]></description>
		<pubDate>Tue, 03 Mar 2026 04:25:33 +0000</pubDate>
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		<title>Is Ketogenesis Required For Metabolic Improvements On A Calorie-Restricted Diet?</title>
		<link>https://www.longecity.org/forum/topic/121557-is-ketogenesis-required-for-metabolic-improvements-on-a-calorie-restricted-diet/</link>
		<description><![CDATA[<p><iframe id="ytplayer" class="EmbeddedVideo" type="text/html" width="640" height="390" src="https://youtube.com/embed/iGl5mz-lNYA?html5=1&fs=1" frameborder="0" allowfullscreen webkitallowfullscreen /></iframe></p>
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		<pubDate>Sun, 22 Feb 2026 15:08:25 +0000</pubDate>
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		<title>Spearmint (mentha spicata)</title>
		<link>https://www.longecity.org/forum/topic/121553-spearmint-mentha-spicata/</link>
		<description><![CDATA[<p>Hi All.</p>
<p>&nbsp;</p>
<p>I can't find almost anything at all about spearmint on this forum, so I'm starting this thread.</p>
<p>&nbsp;</p>
<p>I've liked the taste of spearmint for as long I can remember, most notably in the form of chewing gum with xylitol, but I drank my first cup of spearmint tea/infusion only yesterday.&nbsp; I prepared the drink from hot water and powdered spearmint leaf, which was not particularly expensive.</p>
<p>&nbsp;</p>
<p>As for the effects of this herb, it seems to be best known (beyond its use for flavour) for reducing androgens in women.&nbsp; Anti-oxidant and anti-inflammatory effects are also often mentioned, as well as benefits for certain stomach complaints.&nbsp; It is known to contain rosemarinic acid, which is claimed to be beneficial for working memory.</p>
<p>&nbsp;</p>
<p>In my own (still very brief!) experience, it often improves mood, though not dramatically.&nbsp; I don't know if it provides this effect on its own, or whether it interacts with adaptogens (eg. ginseng, rhodiola rosea, and ashwagandha).&nbsp; Meanwhile, I haven't noticed anything at all from saffron, which is certainly more well-known than spearmint for its antidepressant effects.</p>
<p>&nbsp;</p>
<p>Please add to this thread if you have more information about spearmint, including personal experience!</p>
<p>&nbsp;</p>
<p>-alpha2A</p>
]]></description>
		<pubDate>Fri, 20 Feb 2026 17:03:02 +0000</pubDate>
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		<title>Kappa Opioid Antagonist Sources in 2026? (nor-BNI, JDTic, etc.)</title>
		<link>https://www.longecity.org/forum/topic/121546-kappa-opioid-antagonist-sources-in-2026-nor-bni-jdtic-etc/</link>
		<description><![CDATA[<p>It seems that this topic died down a long time ago. I haven't seen a thread about KOR antagonists on this forum for many years...but I'm wondering if anyone in 2026 knows of a legitimate vendor or other source that offers a selective KOR (Kappa Opioid Receptor) antagonist?</p>
<p>&nbsp;</p>
<p>Basically, I'm talking about either JDTic,&nbsp;Norbinaltorphimine (nor-BNI) or&nbsp;Aticaprant.</p>
<p>&nbsp;</p>
<p>There have been lots of other KOR antagonists thrown around on this forum but most of these aren't what I'm looking for. For example Amentoflavone's action on KOR is weak and others (like Buprenorphine & Naltrexone) aren't selective for KOR and are actually much more active at the MOR, which is an undesirable effect for what I'm looking for.</p>
<p>&nbsp;</p>
<p>However, if you know of another KOR antagonist (apart from the 3 I mentioned) that is selective and strong-acting... feel free to mention it.&nbsp;</p>
<p>&nbsp;</p>
<p>I do know of pglchem as a source for nor-BNI. However, that's the only one I've found and I'd like to explore alternate options if they are ones. As of yet, I do not know of a vendor that offers JDTic or Aticaprant.&nbsp;</p>
<p>&nbsp;</p>
<p>Feel free to send me a DM if you'd rather communicate that way.&nbsp;</p>
<p>&nbsp;</p>
<p>&nbsp;</p>
]]></description>
		<pubDate>Wed, 18 Feb 2026 20:35:53 +0000</pubDate>
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		<title>The Executive 15-Minute Morning Protocol - A Zero-Friction Manual</title>
		<link>https://www.longecity.org/forum/topic/121540-the-executive-15-minute-morning-protocol-a-zero-friction-manual/</link>
		<description><![CDATA[<p>Hi everyone, I just put together a protocol specifically for high-achievers who want to optimize their biology without the 3-hour gym sessions. It covers sunlight exposure, box breathing, and focus resets. You can download the PDF here: <a href='https://ljnung6dfgwtqv5w.public.blob.vercel-storage.com/b1c9b111-2d84-45ad-874d-39e34627b482/a39971b8-1546-4d36-b778-228c5aae047b/Executive_15Min_Protocol-1771367710275.pdf' class='bbc_url' title='External link' rel='nofollow external'>https://ljnung6dfgwtqv5w.public.blob.vercel-storage.com/b1c9b111-2d84-45ad-874d-39e34627b482/a39971b8-1546-4d36-b778-228c5aae047b/Executive_15Min_Protocol-1771367710275.pdf</a>. I am also building a weekly manual at protocolzeromanual.substack.com. Would love your feedback on the protocol! </p>
]]></description>
		<pubDate>Tue, 17 Feb 2026 23:30:41 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121540-the-executive-15-minute-morning-protocol-a-zero-friction-manual/</guid>
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		<title>Comprehensive decoding V110</title>
		<link>https://www.longecity.org/forum/topic/121535-comprehensive-decoding-v110/</link>
		<description><![CDATA[<div>这一理论通过拼凑不同的研究论文得到了完善。目前，它仍缺少一些关键实验来支持关键部分，但我们已经找到了一套可靠的药物组合来逆转体内平衡的下降。我们很想听听你的看法！</div>
<div>&nbsp;</div>
<div>与此同时，之前的理论并不十分准确。如果有经理看穿了这些，他们很容易否定我之前关于衰老的理论。它已经不再有用。</div>
<div>&nbsp;</div>
<div>**摘要**</div>
<div>&nbsp;</div>
<div>本文提出了一个全面的衰老理论假说，其核心逻辑是“**多因子汇聚，再扩散于单一节点**”：线粒体功能的下降被定义为衰老的“**主要原因**”，作为一个统一的汇聚节点，整合了端粒缩短、表观遗传变化和蛋白质稳态失衡等多种衰老因素， 同时也是下游重新触发级联坍塌的起点。</div>
<div>&nbsp;</div>
<div>该假说构建了一个由PPARα、AMPK、PGC-1α和mTOR组成的“中心模型”。该模型定义了通过四条途径的对抗和资源竞争，从单一理想稳态转变为80种非稳态的可能性——这些非稳态构成了线粒体功能衰退的直接起点。当四条核心通路表达过度或表达不足时，尽管路径不同，它们都会通过两个关键桥汇聚——微循环障碍和慢性缺氧——将局部代谢失衡扩散为系统性损伤，从而推动干细胞的复制衰老。</div>
<div>&nbsp;</div>
<div>假设从中心轴失衡导致线粒体功能下降（第一个原因）出发，构建了一个顺序的六级级联崩溃模型，每个阶段都源自前一个阶段，并反转锁定稳态：</div>
<div>&nbsp;</div>
<div>1. **第一原因：线粒体功能下降**——多种衰老因素汇聚于此点，随后向下游扩散。</div>
<div>2. **第二原因：糖鞘脂代谢紊乱** - 线粒体β氧化效率降低导致脂质代谢积累和葡萄糖代谢补偿。通过AKG轴下降、花生四烯酸通路激活等机制，它传播到表观遗传学、抗氧化防御和干细胞自我更新。</div>
<div>3. **第三个原因：生长激素-胰岛素样生长因子-1轴下降** - 能量代谢减弱，生长激素脉冲减弱，随后通过T3下降、肉碱合成抑制、自噬损伤和胸腺退化等机制，损伤扩散至免疫系统和骨骼肌。</div>
<div>4. **第四原因：抗氧化网络崩溃** - NRF1的下降与NRF2的代偿性过度激活形成恶性循环。通过PTEN氧化、mTOR失调以及维生素E氧化态增强等机制，它传播到基因组稳定性和细胞凋亡效率。</div>
<div>5. **第五原因：炎症因子劫持糖皮质激素轴** - 衰老细胞通过SLAMF家族分泌干扰钙稳态的炎症因子，传播至干细胞更新、表观遗传和免疫清除功能。</div>
<div>6. **第六原因：衰老细胞的积累** - 作为终极稳态锚点，它通过持续分泌炎症强化前五个原因，形成闭合的自锁环。</div>
<div>&nbsp;</div>
<div>该假说进一步提出了四种“自我锁定机制”（轴向固化、肉碱缺乏、NRF2显性、衰老细胞积累），以解释为何衰老难以自然逆转。基于该框架，本文提出了一套以恢复生物节律为中心的潜在干预策略，并指出验证假说的关键路径（如检测青少年红细胞的可变性），为衰老研究提供了系统视角和可验证的理论模型，从“多因素趋同”方法转向“单因素再扩容”方法。</div>
<div>&nbsp;</div>
<div>金, . 英杰 . (2026). Fully deciphering the aging pathway: hypothesis that mitochondrial dysfunction as the primary cause of aging triggers continuous collapse of bodily functions(V110). Zenodo. <a href='https://doi.org/10.5281/zenodo.18581859' class='bbc_url' title='External link' rel='nofollow external'>https://doi.org/10.5281/zenodo.18581859</a></div>
<div>&nbsp;</div>
<div>&nbsp;</div>
]]></description>
		<pubDate>Tue, 17 Feb 2026 13:11:08 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121535-comprehensive-decoding-v110/</guid>
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		<title>Aging as an Operating System: Toward a Self-Stabilizing Biology</title>
		<link>https://www.longecity.org/forum/topic/121534-aging-as-an-operating-system-toward-a-self-stabilizing-biology/</link>
		<description><![CDATA[<p  style="text-align:center"><strong><span  style="font-family:arial">Aging as an Operating System: Toward a Self</span></strong><strong><span  style="font-family:arial">-</span></strong><strong><span  style="font-family:arial">Stabilizing Biology</span></strong></p>
<p  style="text-align:center">&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">by ChatGPT</span></strong></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">If we </span><span  style="font-family:arial">think about aging through the lens of an Operating System (OS) model</span><span  style="font-family:arial">, we see</span>&nbsp;<span  style="font-family:arial">that o</span><span  style="font-family:arial">ur cells behave much like a computer: over time, metabolic damage and errors accumulate, similar to corrupted files, fragmented memory, and system slowdowns.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Imagine an OS that continuously monitors every subsystem</span><span  style="font-family:arial">—</span><span  style="font-family:arial">DNA, epigenome, proteins, mitochondria</span><span  style="font-family:arial">—</span><span  style="font-family:arial">detecting errors instantly and correcting them automatically. No backlog, no accumulation of junk. From this perspective, aging isn’t caused by a single failing mechanism; it arises from the system’s inherent limitation in self-maintenance</span><span  style="font-family:arial">—</span><span  style="font-family:arial">the “first cause” of aging.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This framework shifts how we think about interventions. Instead of patching isolated problems, we can imagine designing a multi-layered, self-stabilizing system in humans. Senolytics, for example, remove rogue cells, while mitochondrial therapies patch the power supply. But from the OS perspective, the real goal is continuous surveillance and repair across all layers</span><span  style="font-family:arial">—</span><span  style="font-family:arial">building redundancy, self-monitoring, and immediate correction into biology itself.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">It also explains why single interventions rarely produce dramatic results. DNA repair, proteostasis, mitochondrial function, and immune surveillance are all facets of the deeper first cause. Fixing one element is like defragmenting a single folder while the OS continues leaking memory elsewhere.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Viewed this way, biological aging becomes an OS, with layers corresponding to the genome, epigenome, proteome, mitochondria, immune system, and inflammation. The “first cause” represents fundamental limits on energy, information fidelity, and repair capacity. Discrete mechanisms</span><span  style="font-family:arial">—</span><span  style="font-family:arial">DNA damage, protein aggregation, mitochondrial decline, senescence, chronic inflammation</span><span  style="font-family:arial">—</span><span  style="font-family:arial">are expressions of this single constraint. This can be contrasted with a hypothetical Self-Stabilizing OS, where errors are corrected immediately across all layers, preventing damage accumulation.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Framing aging as an emergent, networked process highlights several points:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Why single interventions rarely have global effects</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">How multi-layered, feedback-driven strategies could slow or partially reverse age-related decline</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">How to prioritize areas where real-time correction or redundancy may have the greatest impact</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This perspective aligns with systems-level models of aging, which view age-related decline as the cumulative effect of interdependent failures across DNA repair, proteostasis, mitochondrial function, immune regulation, and inflammation. Traditional approaches often focus on one mechanism or attempt high-risk gene therapies to reset multiple layers at once. The OS framework asks a different question: can systemic benefits be achieved safely using compounds that enhance natural repair processes?</span>&nbsp;<span  style="font-family:arial">Key candidates include:</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Genome / DNA Repair Layer</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Niacinamide (NAD+ precursor):</span></strong><span  style="font-family:arial">&nbsp;Supports DNA repair enzymes (PARPs) and sirtuin activity, improving genomic maintenance.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">TMG (Trimethylglycine):</span></strong><span  style="font-family:arial">&nbsp;Indirectly supports methylation pathways, helping maintain epigenetic stability.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Epigenome / Gene Regulation Layer</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Niacinamide:</span></strong><span  style="font-family:arial">&nbsp;Also influences sirtuins, which regulate epigenetic markers.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Senolytic Activator </span></strong><span  style="font-family:arial">(apigenin, fisetin, quercetin, theaflavin): Removes senescent cells that can dysregulate surrounding tissue via SASP factors.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Curcumin:</span></strong><span  style="font-family:arial">&nbsp;Activates AMPK and modulates histone acetylation, contributing to epigenetic stability.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Proteome / Protein Homeostasis</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Curcumin:</span></strong><span  style="font-family:arial">&nbsp;Supports autophagy, helping clear misfolded proteins.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Flaxseed Oil / Coconut Oil:</span></strong><span  style="font-family:arial">&nbsp;Provide bioactive lipids that can stabilize protein folding indirectly.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Brewer’s Yeast</span></strong><span  style="font-family:arial">&nbsp;(polyamines like spermidine): Promotes autophagy and proteostasis maintenance.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Mitochondrial / Energy Layer</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">ALCAR (Acetyl-L-carnitine):</span></strong><span  style="font-family:arial">&nbsp;Enhances mitochondrial acetyl-CoA availability and energy production.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Coenzyme Q10:</span></strong><span  style="font-family:arial">&nbsp;Improves electron transport chain efficiency, ATP production, and mitochondrial resilience.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Creatine:</span></strong><span  style="font-family:arial">&nbsp;Increases cellular energy buffering capacity, supporting high-demand cells like neurons.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">&nbsp;Immune / Inflammation Layer</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Senolytic Activator:</span></strong><span  style="font-family:arial">&nbsp;Reduces pro-inflammatory senescent cell burden.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Curcumin:</span></strong><span  style="font-family:arial">&nbsp;Anti-inflammatory properties via NF-κB modulation.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Flaxseed Oil / Coconut Oil:</span></strong><span  style="font-family:arial">&nbsp;Provide anti-inflammatory omega fats and medium-chain triglycerides.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Neuro / Cognitive Layer</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Magnesium Glycinate:</span></strong><span  style="font-family:arial">&nbsp;Supports neuronal signaling, indirectly aiding cognitive resilience.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Creatine:</span></strong><span  style="font-family:arial">&nbsp;Improves neuronal energy availability for synaptic function.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Each supplement targets one or more layers, creating redundancy and networked support, rather than isolated patches.</span>&nbsp;<span  style="font-family:arial">This aligns perfectly with the “self-stabilizing OS” idea: DNA repair, proteostasis, mitochondrial health, immune regulation, and neuronal energy are all enhanced in parallel.</span>&nbsp;<span  style="font-family:arial">Over time, this could theoretically slow systemic decline by reducing error accumulation across multiple layers.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">When combined thoughtfully, these interventions can produce emergent systemic effects, improving markers across multiple aging pathways without genetic manipulation. From the OS perspective, they don’t just treat symptoms; they strengthen the architecture of repair and resilience across the biological system.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">In short, the “Aging OS” model reframes aging as a problem of system-wide maintenance rather than isolated failures. It encourages a shift from patching individual damage pathways to designing strategies that continuously monitor, repair, and stabilize the system, bringing us closer to the theoretical ideal of a self-stabilizing, resilient biology.</span></p>
]]></description>
		<pubDate>Tue, 17 Feb 2026 07:17:33 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121534-aging-as-an-operating-system-toward-a-self-stabilizing-biology/</guid>
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	<item>
		<title>Science / Research background - Just looking to be expand my knowledge</title>
		<link>https://www.longecity.org/forum/topic/121529-science-research-background-just-looking-to-be-expand-my-knowledge/</link>
		<description><![CDATA[<p>Hey all,</p>
<p>&nbsp;</p>
<p>Probably will just lurk a while til I figure out the way this board works.</p>
<p>I was a microbiologist as a past career, and that led me into studying peptides, supplements, and longevity, etc.</p>
<p>&nbsp;</p>
<p>Always an evolving stack of peps and supplements as I discover new ones and sunset old ones.</p>
<p>&nbsp;</p>
<p>Min/maxxer by nature, so I really enjoy tracking my progress and seeing what moves the needle.</p>
<p>&nbsp;</p>
<p>Thanks</p>
]]></description>
		<pubDate>Mon, 16 Feb 2026 03:12:35 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121529-science-research-background-just-looking-to-be-expand-my-knowledge/</guid>
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		<title>A Deep Dive Into The ‘Longevity Vitamin’, Ergothionine</title>
		<link>https://www.longecity.org/forum/topic/121527-a-deep-dive-into-the-‘longevity-vitamin’-ergothionine/</link>
		<description><![CDATA[<p><iframe id="ytplayer" class="EmbeddedVideo" type="text/html" width="640" height="390" src="https://youtube.com/embed/Cum2NhMsDwU?html5=1&fs=1" frameborder="0" allowfullscreen webkitallowfullscreen /></iframe></p>
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		<pubDate>Sun, 15 Feb 2026 13:53:35 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121527-a-deep-dive-into-the-‘longevity-vitamin’-ergothionine/</guid>
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		<title>Where Fedichev’s Aging Theory Meets Transcriptional Endurance</title>
		<link>https://www.longecity.org/forum/topic/121525-where-fedichev’s-aging-theory-meets-transcriptional-endurance/</link>
		<description><![CDATA[<p  style="text-align:center"><strong><span  style="font-family:arial">Where Fedichev’s Aging Theory Meets Transcriptional Endurance</span></strong></p>
<p  style="text-align:center">&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">by ChatGPT</span></strong></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">For much of modern biogerontology, ageing has been framed as an information problem in the narrowest sense: genes mutate, epigenetic marks drift, pathways misfire. The implicit assumption has been that the instructions themselves are progressively corrupted, and that ageing is therefore the sum of innumerable small informational errors.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Two lines of work now suggest a deeper, more structural interpretation. One comes from theoretical geroscience, most clearly articulated by Peter Fedichev. The other comes from recent experimental work reported in </span><em><span  style="font-family:arial">Nature Aging,</span></em><span  style="font-family:arial">&nbsp;showing a length-dependent failure of transcription with age. Together, they point toward the same conclusion: ageing is less about broken instructions, and more about a declining capacity to reliably execute complex biological programs.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Fedichev’s core claim: ageing as loss of stability</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Fedichev approaches ageing as a physicist studying complex, self-repairing systems. In his framework, organisms constantly accumulate small errors, but what determines lifespan is not the existence of errors per se, but whether those errors are corrected faster than they propagate.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">He distinguishes between two regimes:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Unstable systems</span></strong><span  style="font-family:arial">, where errors amplify exponentially, leading to rapid deterioration (typical of short-lived species like mice).</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Stable systems</span></strong><span  style="font-family:arial">, where errors are largely contained, allowing the organism to persist near equilibrium for long periods (typical of humans).</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Crucially, Fedichev argues that humans spend most of adult life in this stable regime. Human ageing is therefore not an early runaway collapse, but a slow, largely linear erosion of resilience. What changes with age is not primarily specific pathways, but the restoring force that returns the system to balance after perturbation. Fluctuations grow larger, recovery becomes slower, and stability gradually weakens.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Ageing, in this view, is the progressive loss of systemic stamina.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">The Nature Aging discovery: long programs fail first</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The recent Nature Aging study approaches the problem from the opposite direction. Instead of asking which genes change with age, it asks whether cells retain the same capacity to express genes of different complexity.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Across species and tissues, the answer is strikingly consistent:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Short RNA transcripts become more abundant with age.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Long RNA transcripts become progressively depleted.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">The effect is widespread and particularly strong in the brain.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Long genes are not arbitrary. They disproportionately encode functions related to maintenance, structural integrity, DNA repair, and neuronal organisation. Short genes, by contrast, are often involved in stress responses, inflammation, and immediate survival.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The key insight is that long genes require sustained, uninterrupted transcriptional effort. They test the endurance of RNA polymerase, chromatin organisation, energy supply, and coordination with RNA processing. As these capacities weaken, long transcription runs fail more often than short ones.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Nothing fundamental has happened to the genes themselves. The system can no longer reliably finish the longest jobs.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">The shared mechanism: declining execution capacity</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This is where the convergence becomes clear.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Fedichev’s theory predicts that, as stability erodes, complex, slow processes will fail before simple, fast ones. The transcriptional imbalance observed in Nature Aging is exactly that prediction made molecularly concrete.</span></p>
<p><span  style="font-family:arial">Long transcripts are the transcriptional equivalents of high-complexity, long-timescale programs. Their selective loss is a direct manifestation of weakening error correction, rising noise, and reduced recovery capacity. What appears as “transcriptome imbalance” is, at a deeper level, the system retreating from complexity.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This also explains several otherwise puzzling features of the data:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Why the effect is global:</span></strong><span  style="font-family:arial">&nbsp;system-level endurance failures do not respect pathway boundaries.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Why it is conserved across species</span></strong><span  style="font-family:arial">: complex systems fail in similar ways, regardless of molecular details.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Why neurons are hit hardest</span></strong><span  style="font-family:arial">: they depend heavily on exceptionally long genes and cannot reset via cell division.</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><strong><span  style="font-family:arial">Why the change is gradual</span></strong><span  style="font-family:arial">: endurance declines linearly long before catastrophic instability appears.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Reversibility and its limits</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">One of the most important findings in the Nature Aging work is that multiple lifespan-extending interventions partially restore long-transcript abundance. These interventions are mechanistically diverse, but they share a common feature: they improve the operating conditions of the cell rather than targeting specific genes.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This aligns precisely with Fedichev’s theoretical expectations. If ageing were primarily loss of information, restoration would be impossible. If it is loss of stability and access, partial recovery is entirely plausible.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">At the same time, both frameworks impose realistic limits. Restoring full youthful capacity would require cell-by-cell, error-specific correction at extraordinary resolution. Slowing decline is far easier than reversing it. Negligible senescence is more attainable than true rejuvenation.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">A shift in how ageing is understood</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Taken together, these ideas suggest a reframing of ageing:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Not as a genome falling apart</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Not as a collection of independent molecular failures</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">But as a system that gradually loses the stamina to sustain long-range maintenance</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">As execution capacity declines, cells default toward short-term survival programs. Inflammation, stress signalling, and loss of proteostasis emerge not as primary causes, but as consequences of a system that can no longer afford complexity.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Ageing becomes a narrowing of biological attention span.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Conclusion</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Fedichev’s theory provides the dynamical logic of ageing: a slow loss of stability in a self-correcting system. The Nature Aging discovery reveals where that loss first becomes visible: the selective failure of long, maintenance-heavy transcription.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">They are not competing explanations operating at different levels. They are the same explanation, seen from two sides of the same system.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The instructions largely remain intact. What falters is the system’s ability to reliably carry them out.</span></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Appendix: Partial Restoration Through Improved System Endurance</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">A central implication shared by Peter Fedichev’s theoretical work and the transcriptional findings reported in Nature Aging is that ageing reflects declining execution capacity rather than wholesale loss of biological information. From this perspective, interventions that partially restore function do so not by correcting specific instructions, but by improving the conditions under which complex biological programs are executed.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This appendix situates one supplement stack within that framework. The goal is not to claim reversal of ageing, but to explain why diverse, non-targeted interventions can produce partial restoration of long, maintenance-heavy transcription.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">1. Restoration is conditional, not instructive</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Both Fedichev’s model and the transcriptional-length findings converge on a key constraint: long genes are lost from expression not because they are damaged, but because the system increasingly cannot sustain them.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Accordingly, restoration does not require:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">rewriting genes</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">correcting specific mutations</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">reprogramming cell identity</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Instead, it requires improving:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">energetic reliability</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">error tolerance during long processes</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">coordination between transcription, repair, and chromatin state</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">This explains why interventions with very different molecular targets can converge on similar outcomes.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">2. Energy stability and transcriptional endurance</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Long transcription runs are among the most energy-sensitive processes in the cell. Any transient shortfall disproportionately aborts long transcripts while leaving short ones unaffected.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Niacinamide (NAD+ &nbsp;support)</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Supports redox balance and DNA repair during transcriptional elongation</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Helps maintain RNA polymerase II processivity over long genomic distances</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Coenzyme Q10</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Stabilises mitochondrial ATP output</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Reduces oxidative stress that causes polymerase stalling</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">ALCAR (Acetyl-L-Carnitine)</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Improves mitochondrial throughput and acetyl-CoA availability</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Indirectly supports chromatin acetylation required for sustained transcription</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Creatine</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Buffers ATP fluctuations</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Reduces short-lived energy drops that selectively disrupt long transcription runs</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">In the “printer” analogy, these interventions keep the motor running smoothly enough to finish long jobs.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">3. Reduction of transcription-blocking lesions</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Length-dependent transcription failure is strongly amplified by DNA lesions and oxidative stress, which disproportionately affect long genes simply by increasing the probability of interruption.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Vitamin B12</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Supports nucleotide metabolism and DNA integrity</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Reduces transcription-blocking errors that accumulate with age</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Vitamin C</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Scavenges reactive oxygen species</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Supports repair enzymes that clear transcriptional obstacles</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Melatonin</span></strong></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Provides mitochondrial and nuclear antioxidant protection</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Lowers background damage that aborts long transcription</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">These do not restore youthful perfection; they lower the ambient “noise floor” that makes long transcription increasingly fragile.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">4. Chromatin organisation and execution coherence</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Long genes require not just energy, but sustained chromatin accessibility and coordination with RNA processing machinery.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">TMG (Trimethylglycine)</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Supports methylation balance</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Helps preserve chromatin organisation needed for long-gene accessibility</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Vitamin D</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Influences chromatin state and transcriptional coordination</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Vitamin K2</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Supports mitochondrial and nuclear membrane integrity</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Indirectly stabilises transcriptional logistics</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Magnesium glycinate</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Cofactor for polymerases and nucleic acid interactions</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Supports transcriptional fidelity over long sequences</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Here, the intervention acts not on content, but on the structural conditions that permit complexity.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">5. Infrastructure and deficiency prevention</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Complex transcription is unusually sensitive to small, otherwise silent deficiencies.</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Flaxseed oil or Fish oils</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Maintains membrane integrity required for nuclear–mitochondrial coordination</span></p>
<p>&nbsp;</p>
<p><strong><span  style="font-family:arial">Wheatgrass, multivitamin, brewers yeast</span></strong></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Supply trace cofactors needed across transcription, repair, and RNA processing</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Reduce the chance that a single missing component becomes a bottleneck</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">In systems terms, these reduce weak links that disproportionately affect long processes.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">6. Why this aligns with observed partial restoration</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The Nature Aging study reports partial restoration of long-transcript abundance under multiple lifespan-extending interventions. That qualifier matters.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">From the converged framework:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Ageing is multi-causal and distributed</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Restoration therefore emerges gradually and incompletely</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">Improvements accumulate statistically rather than deterministically</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">The supplement stack operates exactly in this regime. It does not override ageing’s arrow of time. It improves execution margins—allowing more long programs to finish, more often, for longer.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">7. What this appendix does not claim</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Consistent with Fedichev’s theory, this model does not imply:</span></p>
<p>&nbsp;</p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">full rejuvenation</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">reversal of accumulated history</span></p>
<p  style="margin-left:21pt"><span  style="font-family:wingdings">l&nbsp;</span><span  style="font-family:arial">guaranteed lifespan extension</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">It implies something narrower but more defensible: ageing involves loss of access before loss of information, and access can be partially restored by improving system endurance.</span></p>
<p>&nbsp;</p>
<p  style="text-align:center"><strong><span  style="font-family:arial">Takeaway</span></strong></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">Seen through the convergence of systems theory and transcriptional endurance, the supplement stack functions as a conditional stabiliser. It does not rewrite biology. It improves the odds that long, maintenance-heavy programs—the first casualties of ageing—can still be executed.</span></p>
<p>&nbsp;</p>
<p><span  style="font-family:arial">In that sense, partial restoration is not an anomaly. It is exactly what this model predicts.</span></p>
<p>&nbsp;</p>
<p>&nbsp;</p>
]]></description>
		<pubDate>Sat, 14 Feb 2026 19:33:20 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121525-where-fedichev’s-aging-theory-meets-transcriptional-endurance/</guid>
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		<title>24 years old almost 25 years old start caloric restriction again?</title>
		<link>https://www.longecity.org/forum/topic/121524-24-years-old-almost-25-years-old-start-caloric-restriction-again/</link>
		<description><![CDATA[<p>I want start caloric restriction again at 24 or 25 yo with moderatly aerobic exercise and i want live eternal lifespan i am 6 foot&nbsp; 194.117 lbs male i want reduce meat ,use omega 3 supplementation,eat more fibers,drink more water and count calories and eat same thing everyday</p>
]]></description>
		<pubDate>Sat, 14 Feb 2026 09:25:40 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121524-24-years-old-almost-25-years-old-start-caloric-restriction-again/</guid>
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		<title>Aging linked to RNA-length imbalance</title>
		<link>https://www.longecity.org/forum/topic/121521-aging-linked-to-rna-length-imbalance/</link>
		<description><![CDATA[<div>"Aging linked to RNA-length imbalance"</div>
<div>&nbsp;</div>
<div>April 13, 2023</div>
<div>&nbsp;</div>
<div>Aging is associated with a greater abundance of shorter RNA molecules across different cell types and organisms, according to NIA-funded scientists. For their study, published in Nature Aging, the researchers found that as humans, mice, rats, and killifish get older, the length of their RNA transcripts tends to shorten, creating an imbalance with longer transcripts. Shorter transcripts are linked to processes common in aging, such as inflammation, while longer transcripts tend to be associated with increased lifespan. The researchers hypothesize that this shift in RNA transcript length could represent a systemwide phenomenon driving functional losses during aging, rather than the traditional view that a few genes are responsible for what happens when living things grow older.</div>
<div>&nbsp;</div>
<div>Ribonucleic acid (RNA) is a molecule that is present in the majority of living organisms and viruses. Transcription is the process of making an RNA copy of a gene’s DNA coding sequence, and it is the first step in gene expression. Transcription is followed by translation, the stage where proteins are made. The shift toward shorter transcripts implies that with aging, shorter genes are transcribed. For its discovery, the Northwestern University research team sequenced the transcriptomes — a collection of all RNA copies (transcripts) present in a cell — in 17 tissues from mice of various ages up to 24 months, which is considered old age for these rodents. Next, they looked for unique molecular features associated with age-related changes in the RNA. In middle-aged mice, they found the length of transcripts declined in nearly 60% of tissues, whereas in older mice, the decline in length of transcripts occurred in 75% of tissues. The decrease in the number of long genes and, therefore, long transcripts, results in an increase in the number of genes that make short transcripts. The researchers called it “length-associated transcriptome imbalance.”</div>
<div>&nbsp;</div>
<div>To examine the extent of the imbalance, the team analyzed transcriptomes from the tissues of mice, rats, and killifish, and single cells from young and old mice. Nearly 80% of the tissues had an age-dependent decrease in long transcripts that was relatively consistent across different cell types. Similar results were found in human tissue, where the imbalance was strongest in brain cells.</div>
<div>&nbsp;</div>
<div>Lastly, to test whether the imbalance could be reversed, the researchers evaluated the effects of 11 anti-aging interventions previously shown to extend the lifespan of mice. Seven of the interventions increased the number of long transcripts, restoring some balance to the transcriptome.</div>
<div>&nbsp;</div>
<div>In contrast to studies examining age-related changes in the expression of individual genes, this research suggests that aging is associated with global changes in the transcriptome over time that shift gene expression. What causes the imbalance remains undetermined but may be due to environmental or age-related cellular events. Future research on the causes and effects of this phenomenon may improve the understanding of the aging process and potentially inform ways to reverse it.</div>
<div>&nbsp;</div>
<div>&nbsp;</div>
<div><a href='https://www.nia.nih.gov/news/aging-linked-rna-length-imbalance' class='bbc_url' title='External link' rel='nofollow external'>https://www.nia.nih.gov/news/aging-linked-rna-length-imbalance</a></div>
]]></description>
		<pubDate>Fri, 13 Feb 2026 17:41:44 +0000</pubDate>
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		<title><![CDATA[Beta-2-Microglobulin Is Bad For Neurogenesis: What's My Data? (6-Test Analysis)]]></title>
		<link>https://www.longecity.org/forum/topic/121496-beta-2-microglobulin-is-bad-for-neurogenesis-whats-my-data-6-test-analysis/</link>
		<description><![CDATA[<p><iframe id="ytplayer" class="EmbeddedVideo" type="text/html" width="640" height="390" src="https://youtube.com/embed/gqTqaMAq-6A?html5=1&fs=1" frameborder="0" allowfullscreen webkitallowfullscreen /></iframe></p>
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		<pubDate>Sun, 08 Feb 2026 13:53:07 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121496-beta-2-microglobulin-is-bad-for-neurogenesis-whats-my-data-6-test-analysis/</guid>
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		<title>Is motor neuron loss the true biological ceiling of human lifespan?</title>
		<link>https://www.longecity.org/forum/topic/121494-is-motor-neuron-loss-the-true-biological-ceiling-of-human-lifespan/</link>
		<description><![CDATA[<p><span><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent">Did you know that human lifespan has a hard ceiling, not set by cancer or heart disease? Even when disease is avoided and even with perfect biomarkers, it runs into a hard biological limit —the irreversible motor neuron loss.</span></span></p>
<p>&nbsp;</p>
<p><span><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent">Humans are born with ~150,000 motor neurons, and lose them gradually with old age:</span></span></p>
<p>&nbsp;</p>
<ul>
<li>
<p><span><span  style="font-size:12pt;background-color:transparent">Before age 60, you lose ~0.5% per year&nbsp;</span></span></p>
</li>
<li>
<p><span><span  style="font-size:12pt;background-color:transparent">After age 60, you lose ~3% per year</span></span></p>
</li>
<li>
<p><span><span  style="font-size:12pt;background-color:transparent">Age 75 - only ~50% functional units&nbsp;</span></span></p>
</li>
<li>
<p><span><span  style="font-size:12pt;background-color:transparent">Age 100 - only ~20% functional units</span></span></p>
</li>
</ul>
<p>&nbsp;</p>
<p><span><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent">At which point, frailty and neuromuscular failure dominate death. And once it begins to fail, no amount of optimization or lifestyle change can fully compensate.</span></span></p>
<p>&nbsp;</p>
<p><span><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent">Read the </span><a href='https://www.unaging.com/aging/the-hard-limit-on-human-lifespan/' class='bbc_url' title='External link' rel='nofollow external'><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(17,85,204);background-color:transparent">full article</span></a><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent"> to know more.</span></span></p>
]]></description>
		<pubDate>Sat, 07 Feb 2026 02:40:17 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121494-is-motor-neuron-loss-the-true-biological-ceiling-of-human-lifespan/</guid>
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		<title><![CDATA[&#34;The only regimen is an anti-regimen&#34;: destabilizing effects of 'safe' 8-isomer vitamin E]]></title>
		<link>https://www.longecity.org/forum/topic/121470-the-only-regimen-is-an-anti-regimen-destabilizing-effects-of-safe-8-isomer-vitamin-e/</link>
		<description><![CDATA[<p>Excerpts (from both me and ChatGPT):</p>
<p>"for a fat soluble that can lastingly accumulate, to have a good safety profile. I just learned the hard but instructive way how that is not true."</p>
<p>&nbsp;</p>
<p>"You didn’t discover vitamin E is poison.</p>
<p>You discovered that <strong>antioxidant systems behave like economies, not like shields</strong>."</p>
<p>"</p>
<ul>
<li>
<p>Vitamins C and E are <strong>participants in a cooperative redox economy</strong>, not solitary shields.</p>
</li>
<li>
<p>Their usefulness depends on <strong>circulation, exchange, and regeneration</strong>, not mere presence.</p>
</li>
<li>
<p>Treating them as static protectors instead of dynamic actors is exactly how imbalance arises."</p>
</li>
</ul>
<p>&nbsp;</p>
<p>(Caveat: extensible to any supplement intake)</p>
<p>&nbsp;</p>
<p><a href='https://chatgpt.com/share/69801632-a450-800c-b92d-10495866b889' class='bbc_url' title='External link' rel='nofollow external'>Anti-regimen regimens</a></p>
]]></description>
		<pubDate>Mon, 02 Feb 2026 03:16:32 +0000</pubDate>
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		<title>Unraveling The Oral Microbiome’s Role In Alzheimer’s Disease</title>
		<link>https://www.longecity.org/forum/topic/121468-unraveling-the-oral-microbiome’s-role-in-alzheimer’s-disease/</link>
		<description><![CDATA[<p><iframe id="ytplayer" class="EmbeddedVideo" type="text/html" width="640" height="390" src="https://youtube.com/embed/wq567q8RbrU?html5=1&fs=1" frameborder="0" allowfullscreen webkitallowfullscreen /></iframe></p>
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		<pubDate>Sun, 01 Feb 2026 18:47:03 +0000</pubDate>
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		<title>New member</title>
		<link>https://www.longecity.org/forum/topic/121453-new-member/</link>
		<description><![CDATA[<p>Hi all, new member here.</p>
<p>&nbsp;</p>
<p>Have been a long time browser, and use some other forums, subreddits, etc.</p>
<p>&nbsp;</p>
<p>I have a medical background, and pharmacology experience, particularly about medicines regulation and approvals.</p>
<p>&nbsp;</p>
<p>Hope to be of help and learn from those more knowledgeable or experienced in certain areas.</p>
<p>&nbsp;</p>
<p>I'm particularly interested in mechanisms behind, and potential treatments of depression, anxiety disorders, ADHD, sexual disorders, and the workings of the catecholaminergic systems, HP(T)A axis, TSPO, neurosteroidogenesis, TrK, many other things...&nbsp;</p>
<p>&nbsp;</p>
<p>Meduza&nbsp;</p>
]]></description>
		<pubDate>Thu, 29 Jan 2026 13:30:31 +0000</pubDate>
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		<title><![CDATA[GLP-1 Agonists (Semaglutide, Tirzepatide) - Research Summary on Weight Loss &#38; Longevity Benefits]]></title>
		<link>https://www.longecity.org/forum/topic/121452-glp-1-agonists-semaglutide-tirzepatide-research-summary-on-weight-loss-longevity-benefits/</link>
		<description><![CDATA[I've been researching GLP-1 receptor agonists for their potential in both weight management and longevity. Here's a summary of what I've found:<br><br><strong>What are GLP-1 Agonists?</strong><br>GLP-1 (Glucagon-like peptide-1) agonists are a class of medications originally developed for type 2 diabetes. They work by:<br>- Stimulating insulin secretion<br>- Reducing glucagon release<br>- Slowing gastric emptying<br>- Reducing appetite via brain signaling<br><br><strong>Key Compounds:</strong><br><br>1. <strong>Semaglutide</strong> (Ozempic/Wegovy)<br>- Weekly injection<br>- 15-20% average weight loss in trials<br>- FDA approved for weight management<br><br>2. <strong>Tirzepatide</strong> (Mounjaro/Zepbound)<br>- Dual GIP/GLP-1 agonist<br>- Even greater weight loss (up to 22%)<br>- Shows superior glycemic control<br><br>3. <strong>Retatrutide</strong> (in trials)<br>- Triple agonist (GIP/GLP-1/Glucagon)<br>- Early data shows up to 24% weight loss<br>- Still in Phase 3 trials<br><br><strong>Longevity Implications:</strong><br>- Reduced visceral fat → lower inflammation<br>- Improved insulin sensitivity → metabolic health<br>- Potential cardioprotective effects (REDUCE-IT, SELECT trials)<br>- Some animal studies suggest anti-aging pathways activation<br><br><strong>Side Effects to Consider:</strong><br>- GI issues (nausea, constipation)<br>- Muscle loss concerns (importance of protein + resistance training)<br>- Rare: pancreatitis, thyroid concerns<br><br><strong>My Perspective:</strong><br>For those seriously overweight with metabolic issues, these can be game-changers. But they require medical supervision and lifestyle integration.<br><br>For more detailed information on these peptides including proper protocols, I recommend checking resources like <a href='https://glunovabio.com/semaglutide/' class='bbc_url' title='External link' rel='nofollow external'>glunovabio.com</a> which has comprehensive guides.<br><br>Would love to hear experiences from others who have tried these or are researching them!]]></description>
		<pubDate>Wed, 28 Jan 2026 23:00:44 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121452-glp-1-agonists-semaglutide-tirzepatide-research-summary-on-weight-loss-longevity-benefits/</guid>
	</item>
	<item>
		<title>The 3 longevity systems that determine your healthspan and how to protect them</title>
		<link>https://www.longecity.org/forum/topic/121430-the-3-longevity-systems-that-determine-your-healthspan-and-how-to-protect-them/</link>
		<description><![CDATA[<p><span><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent">Have you ever thought about how you are going to die? In my Nerd Nite talk, I talked about these three longevity systems that you should protect to avoid dying:</span></span></p>
<ol>
	<li>
	<p><span><span  style="font-size:12pt;background-color:transparent">Vascular system</span></span></p>
	</li>
	<li>
	<p><span><span  style="font-size:12pt;background-color:transparent">Immune system</span></span></p>
	</li>
	<li>
	<p><span><span  style="font-size:12pt;background-color:transparent">Metabolism</span></span></p>
	</li>
</ol>
<p>&nbsp;</p>
<p><span><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent">And how these actions can keep those three systems from working together:</span></span></p>
<p>&nbsp;</p>
<ol>
	<li>
	<p><span><span  style="font-size:12pt;background-color:transparent;font-weight:700">Walking: </span><span  style="font-size:12pt;background-color:transparent">The most underrated lever. It helps regulate blood pressure, immune function, and glucose metabolism.</span></span></p>
	</li>
	<li>
	<p><span><span  style="font-size:12pt;background-color:transparent;font-weight:700">Sunlight: </span><span  style="font-size:12pt;background-color:transparent">The quiet amplifier. This helps lower blood pressure and improve mitochondrial function.</span></span></p>
	</li>
	<li>
	<p><span><span  style="font-size:12pt;background-color:transparent;font-weight:700">The A-tiers: </span><span  style="font-size:12pt;background-color:transparent">The “cheat sheet” (Not smoking, aerobic exercise, strength training, HIIT (short, intense intervals))</span></span></p>
	</li>
</ol>
<p>&nbsp;</p>
<p><span><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(0,0,0);background-color:transparent">Here’s my full Nerd Nite episode: </span><a href='https://www.unaging.com/aging/nerd-nite-tokyo-the-longevity-systems' class='bbc_url' title='External link' rel='nofollow external'><span  style="font-size:12pt;font-family:Arial, sans-serif;color:rgb(17,85,204);background-color:transparent">The 3 Longevity Systems That Determine Your Healthspan and How to Protect Them</span></a></span></p>
]]></description>
		<pubDate>Fri, 23 Jan 2026 10:23:12 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121430-the-3-longevity-systems-that-determine-your-healthspan-and-how-to-protect-them/</guid>
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	<item>
		<title>I removed my brain fog. Twice.</title>
		<link>https://www.longecity.org/forum/topic/121429-i-removed-my-brain-fog-twice/</link>
		<description><![CDATA[Hi!<br>
I have found the cause of my brain fog that appears after COVID. It is a by-product of Toxoplasma Gondii’s defense against the immune system. TG lowers blood pH while traveling through the circulatory system and lowers brain pH to minimize attacks on itself. This drop in pH causes neurons to slow down. You think more slowly. The neural connections remain the same, but the speed of decision-making decreases.<br>
If the fog is constant, it means the parasite is powerful.<br>
<br>
Toxoplasma will partially descend into your intestines in search of food if you stop providing it with sugar and fats (an example diet is cucumbers and zucchini for 1–2 days). Before this happens, it will knock you out cold. You can set an alarm for an hour or two later, and you will wake up feeling like you’re coming out of anesthesia.<br>
<br>
However, if you kill it in the intestine, you will suffer toxic shock; all of its mood-altering substances and tissue-destroying enzymes will end up in your bloodstream. It needs to be extracted. I do not know of a good extraction method.<br>
<br>
On a low-calorie diet, Toxoplasma travels right to the exit, causing constipation. (Maybe it was the broccoli that I used in both cases that damaged it IDK)<br>
<br>
It moves through the vessel wall in the form of a thin thread. You can see the examples, they are called eye floaters.. It travels down through the Eustachian tube in the form of a tiny grain. It can cycle through the lungs like other parasites.<br>
<br>
I am not responsible if you harm yourself. I can only point you in the right direction. I recommend not doing this if you have brain fog. We need to find a very good parasitologist and explain to him that people have overlooked something in TG behavior.<br>
<br>
Warning: Do not use antiparasitic substances like red chili pepper during extraction, or it will start retreating into the tissues.<br>
<br>
Alex.<br>
<br>
P.S. I can answer any questions you may have.]]></description>
		<pubDate>Fri, 23 Jan 2026 09:35:38 +0000</pubDate>
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		<title>Coder with a microscope</title>
		<link>https://www.longecity.org/forum/topic/121428-coder-with-a-microscope/</link>
		<description><![CDATA[Hi all. I'm an old programmer who's been exploring the microscopic world. It all started with a simple microscope I built myself, and later I upgraded to a more advanced model. Even though I don't have a background in biology, I had to dive into it to find answers to my questions.<br>
<br>
Alex]]></description>
		<pubDate>Fri, 23 Jan 2026 08:53:59 +0000</pubDate>
		<guid isPermaLink="false">https://www.longecity.org/forum/topic/121428-coder-with-a-microscope/</guid>
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		<title>GLP-1 Agonists and Anti-Aging: Beyond Weight Loss - Metabolic Health Connection</title>
		<link>https://www.longecity.org/forum/topic/121403-glp-1-agonists-and-anti-aging-beyond-weight-loss-metabolic-health-connection/</link>
		<description><![CDATA[<p>Hello LongeCity community,I wanted to start a discussion about the emerging research on GLP-1 receptor agonists (like Semaglutide and Tirzepatide) and their potential implications for longevity beyond just weight management.Recent studies are suggesting these medications may have broader anti-aging effects:1. Reduced systemic inflammation - chronic inflammation is a key driver of aging2. Improved insulin sensitivity - metabolic dysfunction accelerates biological aging3. Cardiovascular protection - heart disease remains a leading cause of mortality4. Potential neuroprotective effects - some research shows reduced cognitive decline riskWhat's particularly interesting is how these benefits seem to connect metabolic health directly to the aging process. The "inflammaging" hypothesis suggests that metabolic dysfunction and chronic low-grade inflammation are central to many age-related diseases.I've been reading educational resources at www.glunovabio.com about the science behind these peptide therapies and how they work at the cellular level.For those following GLP-1 research:- Do you see these medications as potential longevity interventions?- How do they compare to other anti-aging strategies like NAD+ supplementation or rapamycin?- Are there any long-term studies on lifespan extension you're aware of?Would love to hear perspectives from this knowledgeable community!</p>
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		<pubDate>Mon, 19 Jan 2026 00:09:33 +0000</pubDate>
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