Dr. Jason Fung Explains Why You Are Always Hungry

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 out how regular fasting can act as a powerful tool to reset your hunger signals and metabolic flexibility. (35:25) Get practical advice on redesigning your physical environment to avoid hedonic and conditioned hunger traps Love the podcast? Here’s what to do:

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Dr. Jason Fung Explains Why You Are Always Hungry is an episode from Ask The Health Expert by JJ Virgin.

This episode is 49:17 long.

This episode was published on Apr 15, 2026.

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