This article was co-authored by Dr. Michael Joyner, a physiologist and anesthesiologist at the Mayo Clinic. Is too much exercise bad for you?The idea that extreme endurance exercise (e.g., exercising over an hour a day, racing multiple marathons in a lifetime, participating in Ironman distance triathlons) might be harmful for long-term heart...
via Health News Headlines - Yahoo News http://ift.tt/1tngIcT
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