Nemours KidsHealth is the most-visited site for information about children's health. Find out about the section we created for kids.

I know that at some point kids should drink nonfat milk as part of a low-fat diet. But what's the right age to switch kids from whole milk to nonfat milk? – Sheila Breast milk is the food of choice ...

Water safety is important at any age, but especially if you have babies or toddlers. Here's how to reduce drowning risks.

Coughing is a healthy reflex that helps clear the airways. A severe cough or one that lasts more than a week requires a medical checkup. But many coughs are caused by a virus that just needs to run ...

Allergic reactions can be triggered by foods, medicines, pets, insect stings, pollen, and other things. Most allergic reactions aren't serious. But severe reactions can be life-threatening and need ...

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 ...

Besides enjoying the health benefits of regular exercise, kids who are physically fit are better able to handle physical and emotional challenges.

Heart disease, also called cardiovascular disease, mainly affects older people. Find out more in this article for kids.

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

It's normal to be a little worried or anxious about getting your period. Find out more in this article for kids.

Good nutrition and a balanced diet help kids grow up healthy. Here's how to improve nutrition and encourage smart eating habits.

Why Is Hand Washing So Important? It's a message worth repeating — hand washing is by far the best way to keep kids from getting sick and prevent the spread of germs. What's the Best Way to Wash Hands ...