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The Obesity Code Lecture (Why do we get Fat?) Part 1

Jason Fung · lecture · Watch on YouTube

Nutrition & diet scienceMedicine & infectious disease

What it is

Dr. Jason Fung lectures on why obesity became an epidemic since the 1970s, arguing insulin and hormones rather than calories drive weight gain. He explains why calorie counting fails and touches on low-carb eating and fasting.

Why Hacker News recommends it

HN commenters recommend it as a compelling alternative explanation of obesity from a prominent proponent.

  • 3 people recommended it
  • 3 different months
  • 1 strong recommendations
  • first 2014, last 2025

What HN commenters said

  1. “Jason Fung is probably the world's leading research expert on obesity.”

    Lecture by a leading obesity researcher.

    JasserInicide, 2025-04 · Strong recommendation · in “Adipose tissue retains an epigenetic memory of obesity after weight loss”

  2. “the new science on it is compelling.”

    Lecture on why we get fat, with compelling new science.

    beachstartup, 2014-02 · Recommendation · in “What will health nuts eat on Super Bowl Sunday? Nuts”

  3. “Dr. Jason Fung has a very interesting and, in my opinion, compelling explanation of obesity and weight gain.”

    Argues insulin, not calories, drives long-term obesity.

    mikenew, 2018-04 · Recommendation · in “Mounting criticism of NIH's relationship with the alcohol industry”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: obesity, insulin resistance, fasting, low carb, jason fung

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