Purple sweet potatoes and longevity — Dr. Gundry reveals the surprising connection between your gut bacteria and one of the longest-living populations on earth. The Okinawans don’t just live longer than the rest of Japan — they live longer than almost everyone. And while researchers have studied their lifestyle for decades, Dr. Gundry zeroes in on one specific food that played a major role in giving them that edge. It’s not exotic. It’s not expensive. And it’s probably sitting in your grocery store right now. The secret comes down to your gut buddies. Dr. Gundry explains how feeding them the…

