What causes Weight Gain? (How to Lose Weight) | Jason Fung
Oct 29, 2026 · 13 min · 7 segments
What causes weight gain? Most people think it's all calories in calories out, but that's simplistic first order thinking. You must go deeper to the root causes of weight gain if you want to understand…
What causes weight gain? Most people think it's all calories in calories out, but that's simplistic first order thinking. You must go deeper to the root causes of weight gain if you want to understand how to lose weight. Obesity spreads like a virus, an example of social contagion. By understanding the key role that societal norms and especially your friends play in weight gain, you can leverage this to your own advantage to lose that weight. Check out my blog at https://medium.com/@drjasonfung More Information: BOOKS: The Obesity Code - Reviewing underlying physiology of weight loss and how low carb diets and fasting can help. https://www.amazon.com/dp/1771641258?ref=exp\jasonfung\dp\vv\d The Diabetes Code - Reviewing how type 2 diabetes is a reversible disease and dietary strategies. https://www.amazon.com/dp/B0795BLS8D?ref=exp\jasonfung\dp\vv\d The Cancer Code - Scientific exploration of how cancer develops - https://www.amazon.com/dp/0062894005?ref=exp\jasonfung\dp\vv\d Amazon: USA - https://www.amazon.com/shop/jasonfung Canada - https://www.amazon.ca/shop/jasonfung \*\*Fasting Aids\** Pique Fasting Tea (recommended) https://www.piquetea.com/drjasonfung Fasting Community and Coaching: https://www.thefastingmethod.com/ YouTube Medical Lectures (for specialist physicians): 1\. The Roots of the Obesity Epidemic - https://youtu.be/q8BGYhreaco 2\. Therapeutic Fasting - The Two Compartment Problem: https://youtu.be/ETkwZIi3R7w 3\. Does Calorie Counting work? https://youtu.be/5F5o0a4p\_3U 4\. Two Big Lies of Type 2 Diabetes - https://youtu.be/FcLoaVNQ3rc 5\. Reversing Type 2 Diabetes Naturally - https://youtu.be/mAwgdX5VxGc 6\. Insulin Toxicity - https://youtu.be/4oZ4UqtbB\_g 7\. Saturated Fat - Friend or Foe? https://youtu.be/QetsIU-3k7Y 8\. Diet and Disease - https://youtu.be/2yoOx\_7MLn0 9\. Dangers of Fructose - https://youtu.be/pG89j432w-Y 10\. Insulin Resistance - https://youtu.be/dimP7IdM2Og 11\. Role of Hormones in Weight Loss - https://youtu.be/ZbnshVO4PRM 12\. The Obesity Code Lecture 1 - https://youtu.be/YpllomiDMX0 Join this channel to get access to perks: https://www.youtube.com/channel/UCoyL4iGArWn5Hu0V\_sAhK2w/join Learn more about your ad choices. Visit megaphone.fm/adchoices
What causes weight gain? Most people think it's all calories in calories out, but that's simplistic first order thinking. You must go deeper to the root causes of weight gain if you want to understand…
