What Does the Heart & Circulatory System Do? If you've ever wondered how your heart works, this movie has the answer. And special thanks to the Fred J. Brotherton Charitable Foundation for supporting ...

Hearing loss makes it hard to hear or understand sounds. This happens when there is a problem with one or more parts of the ear, the nerves coming from the ears, or the hearing part of the brain. Some ...

Learn About Behavioral Health (Psychology and Psychiatry) at Nemours Children's HealthThis link will open in a new window Having a shy style isn't necessarily a problem. It's perfectly OK to take time ...

Medically reviewed by: Larissa Hirsch, MDThis link will open in a new window Learn About Dermatology (Skin Care) at Nemours Children's HealthThis link will open in a new window Hairs are thin strands ...

Puberty (say: PYOO-ber-tee) is the name for the time when your body begins to develop and change as you move from kid to adult. We're talking about stuff like girls developing breasts and boys ...

Your eyes see, but how does vision happen? Find out how the eyes and brain work together in this eye video.

Medically reviewed by: Shirin Hasan, MDThis link will open in a new window Learn About Behavioral Health (Psychology and Psychiatry) at Nemours Children's HealthThis link will open in a new window ...

What Is Osgood-Schlatter Disease? Osgood-Schlatter disease (OSD) is swelling and irritation of the growth plate at the top of the shinbone. A growth plate is a layer of cartilage near the end of a ...

Medically reviewed by: Mary L. Gavin, MDThis link will open in a new window Learn About Nutrition at Nemours Children's HealthThis link will open in a new window To help people make smart food choices ...

You exercise all the time without even thinking of it. When you run around outside or play kickball at school, you are exercising. What else counts as exercise? Playing sports, dancing, and doing push ...

Medically reviewed by: Amy W. Anzilotti, MDThis link will open in a new window Learn About Infectious Disease Care at Nemours Children's HealthThis link will open in a new window AIDS (acquired immune ...

Medically reviewed by: KidsHealth Medical ExpertsThis link will open in a new window Learn About Primary Care Pediatrics at Nemours Children's HealthThis link will open in a new window How do you ...