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THE VIDEO SHELF · exercise and heart health

Run for your life! At a comfortable pace, and not too far: James O'Keefe at TEDxUMKC

Cardiologist James O'Keefe argues in a TEDx talk that moderate running confers the best longevity benefits, while extreme endurance training can damage the heart. He draws on data and his own experience as a lifelong runner.

Why HN readers recommended it

HN cites it whenever people question whether more exercise is always better, especially extreme endurance running.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
TEDx Talks
Topic
exercise and heart health
Format
talk
Level
general
HN recommenders in dataset
3
HN mentions in dataset
11
Recommendation years in dataset
2016–2026

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • I think about this TED Talk from 2012 a lot.. and he presents some data. It changed some of my goals, and I’m a bit more multi-sport than I used to be. Run for your life! At a comfortable pace, and not too far: James …

    browningstreet on Hacker News · 2025-09
    In Why are so many young, fit, non-smoking women getting lung cancer?
  • Here's an interesting video if you are an extreme athlete: it is a cardiac researcher and lifelong exerciser who identifies that such exercise patterns damage the heart: [VIDEO]

    andrewstuart on Hacker News · 2018-09
    In Extreme Athleticism Is the New Midlife Crisis
  • On the topic of how overexercise can damage the heart by James OKeefe, a cardiologist and lifetime obsessive runner: Notably he points out that they tested people blood after doing long distance events and found that many of them had chemicals usually found in heart …

    andrewstuart on Hacker News · 2020-10
    In How to Live with Dying

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.