Rafed English
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Rachel and her cheerleading team practice three to five times a week. Rachel feels a lot of pressure to keep her weight down — as head cheerleader, she wants to set an example to the team. So she adds extra daily workouts to her regimen. But lately, she's been feeling worn out, and she has a hard time just making it through a regular team practice.

You may think you can't get too much of a good thing, but in the case of exercise, a healthy activity can sometimes turn into an unhealthy compulsion. Rachel is a good example of how an overemphasis on physical fitness or weight control can become unhealthy. Read on to find out more about compulsive exercise and its effects.

Too Much of a Good Thing?

We all know the benefits of exercise, and it seems that everywhere we turn, we hear that we should exercise more. The right kind of exercise does many great things for your body and soul: It can strengthen your heart and muscles, lower your body fat, and reduce your risk of many diseases.

Many teens who play sports have higher self-esteem than their less active pals, and exercise can even help keep the blues at bay because of the endorphin rush it can cause. Endorphins are chemicals that naturally relieve pain and lift mood. These chemicals are released in your body during and after a workout and they go a long way in helping to control stress.

So how can something with so many benefits have the potential to cause harm?