Running in marathons can be bad for heart, says new study

October 10, 2013 13:59

Investigators who studied a group of recreational marathon runners have established that strenuous exercise such as running a marathon can damage the heart muscle.

Although they found the effect is temporary and reversible, they warn that these effects are more widespread in less fit distance runners and that recreational distance runners should prepare properly before marathons.

Previous reports have established that a significant percentage of sports competitors show signs of heart muscle injury and cardiac abnormalities after prolonged exercise.

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