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  • Can You Use Two Condoms for Extra Protection? for Teens


    Using two condoms actually offers less protection than using just one. Here's why.

  • Heart and Circulatory System for Teens


    The heart and circulatory system (also called the cardiovascular system) make up the network that delivers blood to the body's tissues.

  • Male Reproductive System for Teens


    What makes up a guy's reproductive system and how does it develop? Find the answers to these questions and more.

  • Female Reproductive System for Teens


    Why do girls get periods? What goes on when a woman gets pregnant? What can go wrong with the female reproductive system? Find the answers to these questions and more in this article for teens.

  • Kidneys and Urinary Tract for Teens


    The kidneys perform several functions that are essential to health, the most important of which are to filter blood and produce urine.

  • Comminuted Fractures for Teens


    A comminuted fracture is a type of broken bone. The bone is broken into more than two pieces.

  • Serious Allergic Reactions (Anaphylaxis) for Teens


    A person with severe allergies can be at risk for a sudden, serious allergic reaction called anaphylaxis. This reaction can seem scary, but the good news is it can be treated.

  • Milk Allergy for Teens


    Milk is in all kinds of foods, even things like baked goods. So what should a person who's allergic to milk do?

  • Female Reproductive System (Slideshow) for Teens


    This slideshow explains how the female reproductive system works.

  • 5 Ways to Be Prepared for an Allergy Emergency for Teens


    Quick action is essential during a serious allergic reaction. It helps to remind yourself of action steps so they become second nature if there's an emergency. Here's what to do.