Bob Harper’s Diet Underwent A Major Overhaul After His Heart Attack: How He Switched Things Up

This fitness guru made a major lifestyle pivot.

Bob Harper on stage talking to audience
PASADENA, CALIFORNIA - JANUARY 11: Bob Harper and Erica Lugo of "The Biggest Loser" speak during the NBCUniversal segment of the 2020 Winter TCA Press Tour at The Langham Huntington, Pasadena on January 11, 2020 in Pasadena, California. (Photo by Amy Sussman/Getty Images