This is the dumbest thing I've ever read on HN. https://www.active.com/health/articles/why-too-much-running-is-bad-for-your-health https://www.active.com/healt

This is the dumbest thing I've ever read on HN. https://www.active.com/health/articles/why-too-much-running-is-bad-for-your-health https://www.active.com/health/articles/why-too-much-running-... You should see the anorexic-looking treadmill runners at my gym who have no muscle type IIB. I bet they already have cardiomyopathies / hypertrophies and will regret their extremist, extremely-unwise lifestyles when their joints need to be replaced in 20 years.