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  • Eardrum Injuries for Parents


    A "popped" eardrum is more than just painful - it can sometimes lead to hearing loss. Learn about eardrum injuries and how to prevent them.

  • Word! Insulin for Kids


    If someone has diabetes, he or she has trouble with a hormone called insulin.

  • Digestive System for Parents


    The digestive process starts even before the first bite of food. Find out more about the digestive system and how our bodies break down and absorb the food we eat.

  • What Is Cancer? for Kids


    When kids get cancer, it can often be treated and cured. Find out more in this article for kids.

  • Your Brain & Nervous System for Kids


    Your brain is the boss of your body and runs the whole show. Learn more in this article for kids.

  • Teacher's Guide: Endocrine System (Grades 9 to 12) for Educators


  • What's Hearing Loss? for Kids


    Hearing loss happens when there is a problem with the ear, nerves connected to the ear, or the part of the brain that controls hearing. Someone who has hearing loss may be able to hear some sounds or nothing at all. To learn more, read this article for kids.

  • Brain and Nervous System for Parents


    The brain controls everything we do, and is often likened to the central computer within a vast, complicated communication network, working at lightning speed.

  • Your Tongue for Kids


    Your tongue: You taste with it, talk with it, and sometimes even stick it out! Find out more in this article for kids.

  • Chronic Hoarseness for Parents


    Misuse of the vocal cords — caused by such things as repetitive screaming, yelling, or using the voice in an unnatural way — can lead to chronic hoarseness. Learn how to get the voice back into perfect pitch.