The GLP-1 Masterclass with Rocio Salas-Whalen

The Dan Buettner Podcast · Apr 23, 2026 · 1h 7m

In this episode, we sit down with world-renowned endocrinologist and national bestselling author Dr. Rocio Salas-Whalen to pull back the curtain on the GLP-1 revolution. As obesity rates climb toward a projected 4 billion people by 2035, Dr. Salas-Whalen explains why these medications—originally inspired by the biology of the Gila monster—are far more than a weight-loss trend. She provides a comprehensive look at how these hormones target the brain’s "food noise" and anticipatory reward systems, moving the conversation away from the stigma of willpower and toward a biological understanding of…