The Obesity Code audiobook cover - Childhood obesity isn’t just about willpower or calories—it’s shaped by hormones, environment, and habits that begin earlier than most people realize, and small, steady shifts can help families move toward healthier futures with less shame and more clarity.

The Obesity Code

Childhood obesity isn’t just about willpower or calories—it’s shaped by hormones, environment, and habits that begin earlier than most people realize, and small, steady shifts can help families move toward healthier futures with less shame and more clarity.

Dr. Jason Fung

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The Obesity Code — Full Chapter Overview

The Obesity Code Summary & Overview

This warm, supportive narration explores why obesity has become so common in modern life—especially among children—and why the usual advice to “just eat less and move more” often doesn’t work for the long term. Through the lens of the Hormonal Obesity Theory, it highlights insulin’s role in fat storage, appetite signals, and metabolic changes.

Across seven chapters, the script connects early-life influences, including maternal health and insulin exposure in the womb, with the realities families face today. It also offers gentle, practical dietary ideas focused on reducing added sugars and refined grains, choosing natural fats, and building protective habits—alongside stress reduction and daily movement—as part of a compassionate, realistic approach.

Who Should Listen to The Obesity Code?

  • Parents, caregivers, and educators who want a clearer, kinder understanding of childhood weight trends and health risks without blame.
  • Adults who have tried traditional calorie-focused diets and want a hormone-informed perspective on why weight loss can feel so difficult.
  • Listeners interested in practical, food-based habits—less focused on perfection, more focused on sustainable change.

About the Author: Dr. Jason Fung

Dr. Jason Fung is a Canadian physician known for his work on obesity and type 2 diabetes, with a focus on the role of hormones—especially insulin—in weight regulation. He has written and spoken widely about nutrition, fasting, and metabolic health.

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