What we do—and don't—know about exercise

Image: Bigstock

Published: January, 2016

Experts' advice has changed as we've learned more about the connection between physical activity and health.

If exercise could be packed into a pill, it would be the single most widely prescribed and beneficial medicine in the nation.

To continue reading this article, you must log in.
  • Research health conditions
  • Check your symptoms
  • Prepare for a doctor's visit or test
  • Find the best treatments and procedures for you
  • Explore options for better nutrition and exercise
Learn more about the many benefits and features of joining Harvard Health Online »