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 ...

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 ...

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 ...

Girls have lots of questions about the body changes of puberty. When will my breasts grow? What's the "normal" age to get your first period? Watch this video and find out!

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 ...

In children, COVID-19 can be a mild illness, and sometimes they have no symptoms at all. But some babies and children have gotten very sick from the virus, sometimes weeks after becoming infected.

It’s normal for people to masturbate (touch or rub their own genitals because they like the way it feels). Some people do it to relieve stress or tension. It’s nothing to be ashamed of or embarrassed ...

What Is the Apgar Score? The Apgar score is a test given to newborns soon after birth. This test checks a baby's heart rate, muscle tone, and other signs to see if extra medical care or emergency care ...

Heavy metals are elements that are found in soil, water, and the air we breathe. Plants take up these metals as they grow and can end up in the food we eat. Our bodies need some heavy metals (like ...

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 ...

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).

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 ...