David Sinclair is Professor of genetics at Harvard Medical school
He is a longevity expert, focusing on slowing down ageing. He think ageing is a disease that can be altered and even reversed.
He has written a New York Times bestseller called “Lifespan. Why we age and why we don’t have to.”
This is a link to his podcast, https://www.lifespanpodcast.com/
This is his Harvard page, https://sinclair.hms.harvard.edu/people/david-sinclair
I highly recommend all health interested to listen to his podcasts and read his articles.
David has also been on the JRE podcast several times (Joe Rogan experience)
https://www.jrepodcast.com/episode/joe-rogan-experience-1670-david-sinclair/
https://www.jrepodcast.com/episode/joe-rogan-experience-1349-david-sinclair/
https://www.jrepodcast.com/episode/joe-rogan-experience-1234-david-sinclair/