You will gain the most benefits from your exercise program if you follow the “stress and recover” training principles that competitive athletes use. A study using accelerometers to measure the physical activity of more than 90,000 healthy people over six years found that the more and harder they exercised, the less likely they were to suffer heart disease (PLoS Medicine, December 2, 2021). There was no maximum amount of exercise that increased risk for heart attacks or heart disease. The American Heart Association (AHA) recommends that adults should participate in either 150 minutes per week of moderate-intensity aerobic exercise, 75 minutes per week of vigorous aerobic exercise, or some combination of the two….