Be well fueled going into a workout. Studies suggest that eating or drinking carbohydrates before exercise can improve workout performance and may allow you to work out for a longer time or at a higher intensity. If you don't eat, you might feel sluggish or lightheaded when you exercise.

1 Running Gear Obsessive

Hydrate as soon after your run as possible with Gatorade or electrolyte drink.

Almost any form of exercise or movement can increase your fitness level while decreasing your stress. The most important thing is to pick an activity that you enjoy. Examples include walking, stair climbing, jogging, dancing, bicycling, yoga, tai chi, gardening, weightlifting and swimming .