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 ...

Breast exams help doctors check that everything's normal. During a breast exam, a doctor or nurse practitioner will feel a woman's breasts to check any lumps and bumps and see if there are changes ...

This is a general outline of the milestones on the road to reading success. Keep in mind that kids develop at different paces and spend varying amounts of time at each stage. If you have concerns, ...

We see and hear about hearts everywhere. A long time ago, people even thought that their emotions came from their hearts, maybe because the heart beats faster when a person is scared or excited. Now ...

Nighttime feedings may be over, but you might still be struggling to get your toddler to sleep. Learn how to instill good sleep habits early so your toddler can sleep well.

How Does Air Enter the Respiratory System? Air enters the respiratory system through the nose or the mouth. If it goes in the nostrils (also called nares), the air is warmed and humidified. Tiny hairs ...

Pinworms are tiny worms that can cause an infection in the intestines. Pinworm infections affects millions of people each year, especially school-age kids If your child develops a pinworm infection, ...

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. Give acetaminophen or ibuprofen as needed to ease pain (check the ...

Most blood tests take only a few minutes. They’re done at some doctor’s offices, and at community labs, diagnostic centers, and hospitals. A doctor, nurse, or phlebotomist (fleh-BOT-eh-mist, someone ...

Teaching kids about their bodies and what is private can be tricky. But parents can help kids develop healthy feelings about their bodies in age-appropriate ways. This also helps kids learn what’s not ...

It's normal to think about sex often, just once in a while, or not at all. During puberty, chemicals called hormones affect your body and emotions in new ways. This can make you curious about sex and ...

What Is Polyarticular Juvenile Idiopathic Arthritis? Polyarticular juvenile idiopathic arthritis is a type of juvenile idiopathic arthritis (JIA). JIA is a group of disorders that causes arthritis ...