Press release: Running a marathon can be bad for the heart, especially in less prepared runners, say experts Quote: Heart muscle changes are more common and widespread in runners with lower fitness and less training, according to new study in the Canadian Journal of Cardiology Philadelphia, PA, October 9, 2013 – 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
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Running a marathon can be bad for the heart
