Dr. Jason Fung Explains Why You Are Always Hungry

Dr. Jason Fung Explains Why You Are Always Hungry

From Well Beyond 40 by JJ Virgin

April 15, 2026 · 49 min · Season 3 · Episode 858

About this episode

Dr. Jason Fung discusses the science behind hunger and weight gain, challenging traditional beliefs about diet and willpower.

Are you tired of being told that your weight gain is simply a result of a lack of willpower? In this episode, I’m thrilled to welcome back my friend and world-renowned kidney specialist, Dr. Jason Fung, to dive deep into the real science of why we feel hungry. We break down why the traditional "eat less, move more" advice is a total lie and how your hormones—not your willpower—are the true drivers of weight gain. You'll walk away with a fresh perspective on how to reclaim control over your appetite and age more powerfully than ever before. What you’ll learn: (05:21) Dr. Fung reveals the biggest lie we’ve been told about why we feel hungry. (06:00) Learn about the three distinct types of hunger and how they drive your eating behaviors. (09:57) Discover why the "calories in, calories out" model is a spectacular failure for long-term health. (12:38) Understand why perimenopause is one of the highest risk periods for weight gain due to hormonal shifts. (16:48) Explore how ultra-processed foods are designed to biologically manipulate your brain's reward centers. (21:44) See how your social environment and the people around you significantly impact your risk of obesity. (31:16) Find…

People in this episode

Host: JJ Virgin

Guest: Dr. Jason Fung

Topics covered

  • hunger
  • weight gain
  • hormones
  • fasting
  • nutrition
  • health

Keywords

  • hunger
  • weight gain
  • hormones
  • fasting
  • nutrition
  • calories
  • perimenopause
  • ultra-processed foods
  • obesity
  • appetite control

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