Updated Oct 11, 2011 @ 10:15 AM
The American College of Sports Medicine recommends 30 minutes of daily physical activity. Do this and you will see improved endurance, stronger muscles, better sleep and reduced stress levels. Endurance exercises to try include running, walking, swimming, bicycling and dancing -- any sport or exercise that can be performed for longer periods of time to get the heart pumping.
More information: Life Fitness
