PennsylvaniaDigitalNews.com

PennsylvaniaDigitalNews.com
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SCIENCE

What is the optimal amount of exercise and how much is too much?

Panayiotis Tzamaros/NurPhoto via Getty Images The benefits of exercise are so great that if it were a drug, it would be a miracle cure. But what is the optimal dose for better health: are people who run ultramarathons, lift weights...

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