Podcast:The Joe Rogan Experience Rating: Explicit Published On: Tue Sep 10 2019 Description: David Sinclair, Ph.D., A.O. is a Professor in the Department of Genetics and co-Director of the Paul F. Glenn Center for the Biology of Aging at Harvard Medical School. His new book "Lifespan: Why We Age And Why We Don't Have To" is now available. Learn more about your ad choices. Visit podcastchoices.com/adchoices