Fitness Information

Fitness is an important component of overall health. Staying in shape lets your body's systems accomplish their jobs more efficiently, and you'll look and feel better, too. Find information about diets, exercise and weight management.

Learn More / Page 4

12 Sports and Recreational Activities and the Calories They Burn

Some activities burn more calories than others, so knowing which activities burn the most calories in the shortest time can be helpful to those with busy schedules. Read our list to learn which activities burn the most calories.

Why can a trained athlete run a marathon, but a couch potato cannot run half a mile?

Athletic training dramatically increases a person's ability to exercise at a high level. How does your body acclimate to higher levels of exercise?