Teenagers that are active have better self-esteem and self-image than the teens who don't exercise or stay physically active. If teens could be more physically active like playing a sport teens would enjoy themselves way more and feel better. This shows that exercising or being in a sport can be good for teens' mind. Second, Fitness can also help the body of teenagers stay in shape. can also help the body of teenagers. It can help the body and health of a teens by making them stay in shape and not becoming obese. According to Dan Brennan,"Because exercise helps use up oxygen, it causes the body to burn stored fat and helps maintain a desired weight" (6). Exercising can make teens have the body they want and help keep their weight good and were it's supposed to be for a teen. It could also keep them healthy and in shape. Teens' body and health is one of the most important factor. Third, Exercising can help teen bones and skin to improve. If teens take care of their bones and skin it'll be better for the future