Running And Your Heart: Is There A 'Too Much?'
While there is no question that exercise is good for you, the question now is whether there is an upper line we should not cross, says Marcelo Gleiser.
A little less than a year ago, I wrote on these pages about the long-standing controversy of whether running is good or bad for your heart.
On the one hand, in a 2012 article for the , cardiologist James O'Keefe and collaborators claimed that "long-term excessive endurance exercise may induce pathologic structural remodeling of the heart and large arteries." The idea, here, is that excessive running may thicken the heart tissue, , and this may lead to atrial fibrillation or irregular heartbeat. Prolonged exercise for you.
