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Regular Exercise Has Limits for Heart Attack Surviors

While regular exercise is ordinarily beneficial for heart attack survivors, new research suggests that there is a point at which it becomes detrimental, a CBS News article reports. The study, published in Mayo Clinic Proceedings, tracked almost 2,400 heart attack survivors over about 10 years, finding that although increased exercise reduced risk of dying from heart attack by up to 65 percent, the risk actually doubled upon exceeding 30 miles of running or 46 miles of walking per week. At this time, researchers could not pinpoint the reason why the highest levels of exercise increased the risk, rather than reducing it even more.

Read the article published by CBS News.

Read the study published in Mayo Clinic Proceedings.