Take it a bit easier in the gym: Too much exercise can wear out your heart

Take it a bit easier in the gym: Too much exercise can wear out your heartModerate, regular exercise is beneficial but it is possible to do too muchExercising intensely for more than an hour can cause heart tissue to stretchRunning between two and five times a week is better than going every dayAnd, marathons should not be a regular challenge, rather done occasionally | UPDATED: 23:37 GMT, 29 November 2012 While moderate exercise like jogging is good for you, too much is bad for your heart It is the news that couch potatoes have been waiting for: too much exercise is bad for your heart.