The Tim Ferriss Show

#398: Peter Attia, M.D. — Fasting, Metformin, Athletic Performance, and More

Dr. Peter Attia ( peterattiamd.com , TW: @PeterAttiaMD , IG: @peterattiamd , FB: @peterattiamd ) is a former ultra-endurance athlete (e.g., swimming races of 25 miles), a compulsive self-experimenter, and one of the most fascinating human beings I know. He is one of my go-to doctors for anything performance or longevity-related. He is also easily the best…