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  • Blood Types for Teens


    Blood might look the same and do the same job, but tiny cell markers mean one person's body can reject another person's blood. Find out how blood types work in this article for teens.

  • Blood Transfusions for Teens


    Millions of people a year get blood transfusions in the United States. This article explains why people need them and who donates the blood used.

  • Dynamic Stretching (Video) for Teens


    These videos guide you through 8 dynamic stretches that target different muscles and areas of the body.

  • Weight Management: Strength Training Exercises (Video) for Teens


    These videos guide teens through basic strength training exercises. Anyone can do these exercises, and they work well as part of a weight-loss plan.

  • Abstinence for Teens


    Abstinence is the only form of birth control that is 100% effective in preventing pregnancy. Abstinence also protects people against STDs.

  • Motivation and the Power of Not Giving Up for Teens


    Everyone struggles with staying motivated and reaching their goals. Just look at how many people diet, lose weight, and then gain it back again. But it's still possible to stay motivated if you take the right approach.

  • Body Image for Teens


    With all the changes going on, it's easy to feel out of step with your new body. This section has information to help you understand and take control.

  • Body Image for Teens


    See answers to some common questions about body image.