COVID-19 usually is milder in kids than in adults, though some children have gotten pretty sick from it. Many parents wonder what to do if their child gets sick. Here's what you need to know.

Body mass index (BMI) is a calculation that uses height and weight to estimate how much body fat someone has. You can use the KidsHealth BMI calculator below to find your child's BMI. But it's also ...

All kids get a fever from time to time. Usually, a fever isn’t dangerous or bad for kids. It can even be a good thing because it can help the immune system fight infection. Still, parents might be ...

A cold is an infection that affects your nose, throat, and sinuses. Tiny germs called cold viruses get inside your body and make you sick. The rhinovirus (say: rye-no-VYE-rus) is the most common cold ...

Both the brain and the spinal cord are protected by bone: the brain by the bones of the skull, and the spinal cord by vertebrae, a set of ring-shaped bones. They're both cushioned by layers of ...

Malaria is an infection that’s carried by some mosquitoes, especially in hot, tropical places. It can make people very sick, and many have died from it. Sickle cell trait is a blood condition that ...

How Does Precocious Puberty Affect Kids? When puberty ends, growth in height stops. Because their skeletons mature and bone growth stops at an earlier age than normal, kids with precocious puberty ...

A central line (or central venous catheter) is like an intravenous (IV) line. But it is much longer than a regular IV and goes all the way up to a vein near the heart or just inside the heart. A ...

Like most parts of the body, breasts can be sore from time to time for a number of reasons. Breast pain is common but rarely serious. Here are some possible causes and tips for how to feel better.

From your nose to your toes, do you know how the body works? Take these quizzes to find out!

Students who need extra help and support in school may be eligible for special education services in the form of an individualized education program (IEP). This program is offered free of charge to ...

What Is Breast Reduction Surgery? Breast reduction surgery is a procedure that makes large breasts smaller. It keeps the natural shape of the breast and nipple/areola (small area around the nipple).