Medically reviewed by: Melanie L. Pitone, MDThis link opens in a new tab Learn About Primary Care Pediatrics at Nemours Children's HealthThis link opens in a new tab When kids are outdoors, it's ...

Your body has a "highway" system that sends blood to and from your body parts. It's called the circulatory system and the roads are called arteries and veins. Arteries, which usually look red, carry ...

Say hello to Chloe and Nurb and let them take you on a tour of the human body. You'll find out how the body's organs work and learn about body systems like the digestive system and brain and nervous ...

What Does the Immune System Do? If you've ever wondered how your immune system works, this movie is for you!

Medically reviewed by: Leah J. Orchinik, PhDThis link opens in a new tab Learn About Behavioral Health (Psychology and Psychiatry) at Nemours Children's HealthThis link opens in a new tab Most of us ...

A girl's periods can cause some uncomfortable symptoms. Most of the time, there's no reason for concern. But some problems need care from your doctor. Here's how to cope with most period problems.

What Is Postural Orthostatic Tachycardia Syndrome (POTS)? Postural orthostatic tachycardia syndrome (POTS) is a disorder that can make someone feel faint or dizzy. It happens when the autonomic ...

What Is Diabetes? Diabetes happens when the body can't use glucose normally. Glucose is a type of sugar that comes from the food we eat. It's the main source of energy for all the body's cells.

Medically reviewed by: Mary L. Gavin, MDThis link opens in a new tab Learn About Sports Medicine at Nemours Children's HealthThis link opens in a new tab Most young athletes eat the right amount of ...

The roller coaster hesitates for a split second at the peak of its steep track after a long, slow climb. You know what's about to happen — and there's no way to avoid it now. It's time to hang onto ...

The birth control patch is a thin, beige, 1¾-inch (4½-centimeter) square patch that sticks to the skin. It releases hormones through the skin into the bloodstream to prevent pregnancy. Hormones are ...

It’s great to feel good about yourself. To describe this, people often use words like self-confidence or self-esteem. Feeling good about yourself doesn’t mean boasting or bragging about how great you ...