# Why Do We Get Fat? Part 2 - It's the Insulin, stupid!

Page: https://stenobird.com/podcast/jason-fung-8014235/why-do-we-get-fat-part-2-it-s-the-insulin-stupid
Text version: https://stenobird.com/podcast/jason-fung-8014235/why-do-we-get-fat-part-2-it-s-the-insulin-stupid.md
Podcast: [Jason Fung](https://stenobird.com/podcast/jason-fung-8014235)
Published: 2026-09-26T21:55:42+00:00
Episode link: https://traffic.megaphone.fm/HD9520644693.mp3
Audio file: https://traffic.megaphone.fm/HD9520644693.mp3
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JSON: https://stenobird.com/v1/public/podcasts/jason-fung-8014235/episodes/why-do-we-get-fat-part-2-it-s-the-insulin-stupid
Duration seconds: 869

## Resource

Pre-order The Hunger Code at www.doctorjasonfung.com. Check out hunger management tools at www.drinkaeira.comStop counting calories. If 'Calories In, Calories Out' really worked, why do those dietsfail 99% of the time? In this video, Dr. Jason Fung explains why obesity is not acaloric imbalance, but a hormonal imbalance—specifically involving insulin.Most people believe that weight gain is a personal choice caused by eating toomuch and exercising too little. But science tells a different story. Discover howyour body's internal thermostat (BMR) actually regulates your weight and whylowering insulin, not calories, is the key to long-term fat loss.In this video you will learn:● Why the 'Calories In, Calories Out' model is scientifically flawed.● How damage to the hypothalamus leads to massive weight gain(independent of willpower).● The role of Basal Metabolic Rate (BMR) in energy expenditure.● How Insulin acts as a 'Fat Storage Hormone' and blocks lipolysis (fatburning).● Why simply eating less lowers your metabolism and makes you regainweight.medical Disclaimer: The content of this video is for educational purposes onlyand is not intended to be a substitute for professional medical advice, diagnosis,or treatment. Always seek the advice of your physician or other qualified healthprovider with any questions you may have regarding a medical condition.�� If you’re serious about losing weight without losing your health or youthfullook, this video is a must-watch.�� Subscribe now for more science-backed videos on fasting, weight loss, anmetabolic health. And don’t forget to like ��, comment ��, and share this vidwith anyone who still believes in the calorie deficit myth!▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬⏱️ Chapters / Timestamps00:00 - The Big Lie: Why Do We Get Fat?00:15 - The Energy Bal…

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## Transcript

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