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.


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Electrolytes 101

Athletes know that the body loses salt through sweat. It's important for the salt to be replaced to minimize things like muscle cramps that are associated with salt imbalance. That's where electrolytes come into play.

What are electrolytes?

Electrolytes are important for athletes and play a large part in many medical treatments. Just what are electrolytes anyway?

What causes heat stroke?

How can someone die from heat? Learn what happens in the body during a heat stroke.

Walking to Lose Weight

Walking to lose weight is a great alternative to crash diets and complicated workouts. Walking is a low-impact activity that has one of the lowest dropout rates of any activity. Find out how walking burns calories, builds muscles, and more.

Walking and Injuries

Walking injuries can usually be avoided with proper conditioning. Minor aches and pains are common because you're asking your body to do things it has not done in a while. Learn about common walking injuries, their causes, and helpful prevention tips.

Walking Accessories

Walking accessories mostly focus on a good pair of walking shoes, but you can also buy pedometers and reflective gear. A proper set of shoes can protect you from any sort of physical discomfort you might feel. Learn about walking accessories.


Walking is an easy and convenient way to lose weight. It's a great way for you to burn fat without robbing your body of essential nutrients. Learn the health benefits of walking and increase your fitness one step at a time.

20 Everyday Activities and the Calories They Burn

You don't always have to go to the gym to burn calories because the activities you do every day can help with weight loss. Read our list of 20 activities and the calories they burn.

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?