We can do an unlimited possibilities using virus and bacteria into any Immortality application.
Worry about Cholesterol?
We can re-engineer a bacteria that automatically consume Cholesterol.
Worry about Cancer?
We can invent a virus that consume cancer cells and convert into natural body waste.
Therefore we can re-engineer any types of bacteria and virus that help us permanently healthy or immortal because it help to eliminates all the bad radicals and other problems that threats the life of human being