Why I Quit Running After 20 Years, And What I Do Instead: Guest Mark Sisson | EP 421

DR. GUNDRY PODCAST: GUT HEALTH, WEIGHT LOSS, AND NUTRITION · Sep 22, 2026 · 50m

Most people think more cardio is better for you. Run more, burn more, live longer, right?

Well, my guest today says that's backward. He's suffered from aching knees, a busted hip, and a he has a brand-new book to prove it.

Mark Sisson is a New York Times bestselling author and the co-founder of the barefoot shoe company Peluva. He was one of the very first people I read when I left heart surgery to become a nutritionist, and today he's back with his latest book, Born to Walk: The Broken Promises of the Running Boom and How to Slow Down and Get Healthy One Step at a Time.

We get into why…