Could we be looking at age the wrong way?

Nor two people age the same.

And so biological age is what we think could capture health.

It's Thursday, May 30th, and you're listening to Science Friday.

I'm Scifry producer D. Peter Schmidt.

We've all seen how some people seem to age more rapidly than others,

even if they're at the same chronological age.

So why is that?

Well, there's been a growing field of medicine

dedicated to better understanding how we age.

Here's Ira with a researcher who's trying to find out more.

Joining me now to talk about this is my guest Dr. Adity Gurkha, assistant professor of

geriatric medicine at the University of Pittsburgh School of Medicine in Pittsburgh PA.

Welcome to Science Friday.

Thank you so much for having me on the show, Ira.

It's nice to have you.

Now I understand that you got into this topic of biological aging by

watching your grandparents age is that right you know in India we grew up in like

sort of a joint family so my grandparents actually stayed home with us, which was great. I loved having

my grandparents around. But as they were getting older, it was very easy to tell that my grandfather who each, you know, very gracefully and naturally

did almost everything functionally till the end of life, you know, did my homework with me, told me grandpa jokes

basically. And on the other hand my grandmother, you know, her last 15 years of her life life she could really not make it out of bed she

...