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We Need to Rethink Exercise (Updated Version)

Kurzgesagt – In a Nutshell · explainer · Watch on YouTube

Fitness, sleep & longevityNutrition & diet science

What it is

Kurzgesagt explains why exercise alone does little for weight loss, since the body compensates by adjusting its total energy expenditure. It argues exercise is still very valuable for health.

Why Hacker News recommends it

HN uses it as a sourced, accessible summary in weight-loss and GLP-1 threads.

  • 2 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2024, last 2025

What HN commenters said

  1. “exercise is awesome but has little impact on long term weight loss! Check this out”

    Explains why exercise has little impact on long-term weight loss.

    mwmisner, 2024-10 · Recommendation · in “GLP-1 pills are coming, and they could revolutionize weight-loss treatment”

  2. “Kurzgesagt has a decent pop-science summary”

    Decent pop-science summary of how the body offsets exercise calorie burn.

    crooked-v, 2024-10 · Recommendation · in “How long til we're all on Ozempic?”

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

Topics: exercise, calorie burn, metabolism, weight loss, health

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