Why Over 99% of Diets Fail and What You Can Do About It
About this episode
Dr. Jason Fung discusses the reasons behind diet failures and the types of hunger that drive overeating.
Dr. Jason Fung returns to the CrossFit Podcast to unpack the real driver behind weight gain and chronic hunger. Drawing from decades of clinical experience and his new book “The Hunger Code,” Fung challenges the “calorie in, calorie out” model and explains why it has failed so many people for so long. This conversation goes deeper than macros and meal plans. Fung breaks down the three types of hunger: homeostatic, hedonic, and conditioned. He explains how ultra-processed foods, the modern food environment, and social conditioning override natural appetite regulation. He and host Jocelyn Rylee explore how insulin and other hormones shape body fat regulation, and why long-term success depends on restoring satiety rather than fighting willpower. Topics Covered Why calorie restriction fails long-term. The three types of hunger and how they drive overeating. How ultra-processed food hijacks appetite and satiety. Hormones and the body fat thermostat. Social environments and practical levers for change. Resources Mentioned Dr. Jason Fung Website YouTube Instagram X Facebook The Hunger Code by Dr. Jason Fung The Obesity Code by Dr. Jason Fung\ Hunger by Roxane Gay Community…
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