I'm Alan Olga and this is Clear In Vivid, Conversations About Connecting and Communicating.

First of all, I have to just say and I always say this because it's very true, we don't

know that the drug will have an effect at all in humans.

We don't know.

Oh, that's the first thing.

But let's suppose they do.

As far as we know, it would be as though it would take you two days to age as much as

you now age in one day.

So you would spend a lot more time being young, but then you would also spend more time

being old.

There's one more thing that's good, which is that in animals, these drugs, they seem to

have very beneficial effects on diseases.

There's less cancer.

The heart is much better.

It seems like the brain is better.

So it's not really clear what will happen, but at least if we go by what we see in animals,

the diseases of aging seem to be pushed out that is later in time and if anything they

seem less severe.

That's Cynthia Kenyon.

Twenty years ago, I sat with her in her lab at UC San Francisco and watched one of the

most remarkable microscope images I've ever seen before her sins.

Two minuscule worms, nematodes, one vigorous and unblemished.

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