Centers for Disease Control and Prevention
Centers for Disease Control: Physical Activity Introduction
Who needs physical activity? How can it help? Find out here with this introduction to physical activity from the CDC.
US Department of Agriculture
Choose My Plate: How Much Physical Activity Is Needed?
Learn how much physical activity you should partake in every day in order to maintain good health and weight in this brief essay. Also learn when it is necessary to consult your physician before starting a physical activity routine.