What's the Digestive System? Even before you eat, when you smell a tasty food, see it, or think about it, digestion begins. Find out how the digestive system works, from start to finish, in this video ...

The Internet is amazing! But it also has some things you need to watch out for. Who Are You Online? You're always you, of course. But if you use a smartphone, tablet, or computer to play games and ...

Osteoporosis (say: oss-tee-oh-puh-RO-sis) is a disease that weakens the bones, causing them to become brittle and easily fractured. It mostly affects older people, and women are much more likely to ...

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 ...

What's the Endocrine System? The endocrine system is made up of glands that make hormones. Hormones are the body's chemical messengers. They carry information and instructions from one set of cells to ...

What Is a Groin Strain? A groin strain — also known as a groin pull — is when one of the muscles of the inner thigh gets stretched, injured, or torn. A groin strain may be mild or severe. With rest ...

What Are the Signs of Choking? Choking can be a life-threatening emergency. A child might be choking if they: begin gasping or wheezing can't talk, cry, or make noise begin to turn blue in the face ...

How Do I Take an Oral Temperature? Taking an oral temperature is easy in an older, cooperative child. Most kids can have their temperature taken this way when they’re about 4–5 years old. Use a ...

If your daughter is pregnant and planning to have the baby, many changes await your family. And though it's certainly not what most parents expect, it happens every day: nearly 250,000 teenage girls ...

Playing sports is a great way to have fun and stay fit. If you play sports, you may need to get a sports physical. A sports physical is a visit to the doctor to make sure it’s safe to play the sport ...

This schedule of recommended vaccines may vary depending upon where you live, your child's health, the type of vaccine, and the vaccines available. Some vaccines might be given as part of a ...