Times of India | Intense Exercise Is Tied To Heart Problems Businessinsider India People whose training regimens include intense endurance workouts might actually be at increased risk for heart damage, according to a couple of big new studies released yesterday - but researchers caution that they don't want people to take that as an ... Intensive exercise may weaken your heart Prolonged high intensity workouts can be detrimental to heart health Intensive exercise may weaken your heart: Study |