Histamine (HISS-tuh-meen): Histamine is a substance that the body releases during an allergic reaction. It can cause allergy symptoms that affect the eyes, nose, throat, skin, digestive system, and ...

Kids who have these spells hold their breath until they pass out. Although upsetting to watch, the spells are not harmful and do not pose any serious, long-term health risks.

A VP shunt is a small plastic tube that helps drain extra cerebrospinal fluid from the brain. Most VP shunts are placed to treat hydrocephalus.

What Is a 504 Plan? A 504 plan is a way for schools to provide support for students with a disability so that they can learn in a regular classroom. The name 504 plan comes from Section 504 of the ...

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.

The male reproductive system is made up of the parts inside and outside a male’s body that help make a baby. Learn about them and how they work.

Adenoids trap germs, so sometimes they swell while fighting an infection. If they get infected, tonsils and adenoids might be removed in a surgery at the same time.

Take this quiz about your bones.How much do you know about your bones? Find out by taking this quiz!

Everyone feels sad sometimes. This slideshow has tips on what to do to help sad feelings ease away.

Earaches are common in kids and can have many causes. Here’s why they happen and what to do when your child complains of ear pain. What Causes Earaches? Kids might complain of ear pain or pull on an ...

All kids get a fever from time to time. Find out about taking your child's temperature, safely and accurately.

The nose, throat, and lungs are just a few parts of the body that make up the respiratory system. They work together to bring oxygen into the body and take carbon dioxide (a waste product) out.