Exercising regularly isn't only good for your waistline — it's also one of the best things you can do for your heart.
A sedentary lifestyle is one of the risk factors for cardiovascular disease, so becoming just a little more active can decrease your heart disease risk and increase your longevity. If you're worried you're too out of shape to get started, don't be. "It's more dangerous to remain sedentary than to start an exercise program," says Barry A. Franklin, PhD, director of the cardiac rehabilitation program and exercise laboratories at William Beaumont Hospital in Royal Oak, Mich.