Find out what the well-child visit will involve when your child is 11.

Alpha thalassemia is a blood disorder in which the body has a problem producing alpha globin, a component of hemoglobin, the protein in red blood cells that transports oxygen throughout the body.

The endocrine system produces hormones, which are needed for proper body function and growth. Find out more in this article for kids.

What Does the Heart Do? The heart is a pump, usually beating about 60 to 100 times per minute. With each heartbeat, the heart sends blood throughout our bodies, carrying oxygen to every cell. After ...

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 ...

Fainting is a loss of consciousness that can be caused by many things. Here's what to do if your child faints or is about to faint.

Hyperthyroidism happens when the thyroid gland sends too much thyroid hormone into the blood. The most common cause of hyperthyroidism is Graves' disease.

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.

When you first meet your newborn, you may be surprised by what you see. Here's what to expect.

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 ...