If running 15 miles a week is heart healthy, running 45 miles a week gives you a cardiovascular system three times as clean and strong, right?
A new study sounds a serious alarm about such thinking, adding to a growing body of research on the topic of excessive endurance exercise.
You’ve heard of the runner’s high. Researchers now want you to hear about runner’s plaque — coronary artery plaque.
In short: Running super-long distances for many years might backfire on…