At 63 years old, MarkHyman, MD, founder and senior advisor for the Cleveland Clinic Center for Functional Medicine and host of The Doctor’s Farmacy podcast, is the fittest he’s been in his ...
Dr. MarkHyman doesn't act his age — the 63-year old longevity expert said his "biological age" (based on markers of cellular health) is 43, thanks to years of honing his personal routine.