Episode 265: Jason Fung, MD and The Hunger Code

by Brian Lenzkes, MD | Sep 3, 2025 | Podcast | 0 comments

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In this episode of Life’s Best Medicine, Dr. Brian Lenzkes welcomes back New York Times bestselling author Dr. Jason Fung to discuss his upcoming book, The Hunger Code.

Dr. Fung, known worldwide for The Obesity Code and The Diabetes Code, has helped thousands transform their health through a deeper understanding of obesity, insulin resistance, and fasting. His new book, The Hunger Code, takes this work further by exploring the most important—and often overlooked—question in weight loss: Why do we eat?

In their wide-ranging conversation, Drs. Brian and Jason cover:

Why the “calories-in, calories-out” model fails to explain or solve the obesity epidemic.
The three types of hunger—physical, emotional, and social—and how to recognize them.
How environmental and societal factors often matter more than genetics in weight gain.
The role of ultra-processed foods in driving obesity and chronic disease.
How Big Pharma’s influence shapes conventional medical dogma.
Practical insights from The Hunger Code—including the “fat thermostat,” the Golden Rules of hunger, and 50 actionable tips for lasting weight maintenance.

Dr. Fung also reflects on how our food landscape has dramatically shifted in recent decades and why understanding hunger is more critical than ever in the age of Ozempic, Mounjaro, and other new weight-loss drugs.

This is a timely, eye-opening conversation that challenges conventional wisdom and offers real hope for sustainable weight loss.

Tune in to hear how The Hunger Code (scheduled for publication in March 2026) empowers you to reset your body’s “fat thermostat,” break free from emotional and social eating cycles, and create a healthier relationship with food for life.

For more information, please see the links below. Thank you for listening!

The Life’s Best Medicine Podcast is sponsored by HLTH Code.