# Exercise Doesn't Make You Lose Weight: Doctor Jason Fung Reveals What Actually Does

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Text version: https://stenobird.com/podcast/first-principles-7708985/exercise-doesn-t-make-you-lose-weight-doctor-jason-fung-reveals-what-actually-does.md
Podcast: [First Principles](https://stenobird.com/podcast/first-principles-7708985)
Published: 2026-09-12T22:57:00+00:00
Episode link: https://traffic.megaphone.fm/PODAGEN4359709336.mp3?updated=1776257523
Audio file: https://traffic.megaphone.fm/PODAGEN4359709336.mp3?updated=1776257523
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Duration seconds: 908

## Resource

Ninety percent of people who exercise to lose weight end up frustrated. In this episode, Adrian Wells sits down with Dr. Jason Fung to uncover why your daily gym sessions aren't dropping the pounds and what actually works instead. Turns out, we've been sold a pretty big lie about calories in versus calories out. 🎯 What You'll Learn: • Why people overestimate exercise calories by 300-400% (and what that means for your results) • How your body secretly sabotages weight loss when you start working out more • The hormonal changes that make you hungrier after exercise, not lighter • Why professional athletes often have similar body fat to couch potatoes 👤 Perfect for: lifelong learners and anyone who's ever wondered why the treadmill isn't delivering the results they promised. Dr. Fung breaks down the real science behind weight loss, including how your NEAT (the calories you burn just existing) can drop by 20% when you start exercising. Your body is smarter than you think, and it's playing defense against your weight loss goals. 📍 Chapters: [00:00] Adrian Wells introduces the exercise paradox [01:30] The calorie counting myth most people believe [04:00] Why your body fights back when you exercise more [07:00] Hormonal changes that increase appetite after workouts [10:00] What actually drives sustainable weight loss [12:00] Simple strategies you can start using today This isn't about giving up exercise. It's about understanding what exercise actually does versus what we've been told it does. Big difference. 🔔 Never miss an episode: Follow First Principles on Apple Podcasts or Spotify and turn on notifications. New episodes drop daily, your next favorite insight is one tap away. 🔍 Topics: weight loss, exercise science, metabolism, Dr. Jason Fung, calorie counting myths Find a…

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