Exercise is strongly recommended as an essential part of treating or preventing dozens of physical and mental health conditions by major health organizations, including the Centers for Disease Control (CDC), the World Health Organization, and the American Heart Association.
It is such an essential tool in promoting health that the American College of Sports Medicine (ACSM) advocates treating physical activity as a vital sign at each medical visit. Although some doctors have started to evaluate their patients’ physical activity levels and provide individualized “exercise prescriptions,” most have yet to adopt this practice. Here’s why they should.





