Source: Health & Wellness
The gospel of cardiovascular health has been the same for decades: an active lifestyle helps prevent heart disease. Moderate exercise, such as brisk walking, gives the cardiovascular system a real boost, with benefits that max out at about 150 minutes per week. Beyond that, however, the picture has started to become more complicated.
A string of recent studies raises the possibility that very intense workout routines may in fact cause long-term damage to the heart.