terrymorse 

On a subject near and dear to our hearts (literally), Sweat Science author Alex Hutchinson has just written a new article in Outside entitled:

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There’s New Evidence on Heart Health in Endurance Athletes

After years of debate on the dangers of “too much exercise,” researchers sum up the state of current knowledge
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The concluding paragraph:

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Overall averages don’t tell the whole story, of course. Maybe running lots of ultramarathons adds a few months of life expectancy for 99 percent of us, but shortens it by a decade for an unlucky fraction of a percent who have some sort of underlying issue or genetic predisposition. That’s why this research continues to be important, in the hope that we can eventually figure out what those red flags might be. In the meantime, if you’re playing the odds, I’d suggest you keep running, swimming, and cycling to your heart’s content.
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