Research: Don’t run too much

A marathon in Thailand
Sura Nualpradid /

Runners over 50 and runners who push themselves too hard aren’t helping their health, according to a study in the British journal Heart.

As Boulder Weekly has reported previously, researcher and study author James O’Keefe has warned against over-extending the heart’s abilities, saying it could take years off of runners’ lives.

In the study, over 50,000 runners and non-runners were examined. Runners who didn’t push too hard — defined as 20 miles per week or more — did enjoy longer life expectancy. Runners who routinely ran past that mark saw their life expectancy drop.

See the story at Discovery News.

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