In principle, if you understood the mechanisms of keeping things repaired, you could keep things going indefinitely.
Cynthia KenyonAge is the single largest risk factor for an enormous number of diseases. So if you can essentially postpone aging, then you can have beneficial effects on a whole wide range of disease.
Cynthia KenyonGenerally, older people in their fifties, sixties, and seventies are running most countries and are CEOs of corporations. Which isn't to say there aren't entrepreneurs, but if the young were better in every respect, there'd be no reason for the old. Our life span reflects our particular life strategy.
Cynthia Kenyon