Toe walking is when kids walk on the balls of their feet, with their heels off the ground. It’s common in toddlers as they learn to walk. Most children stop toe walking on their own by age 2. Toe ...

Is it Safe to Use Household Chemicals During Pregnancy? Some household cleaners and chemicals are safe to use during pregnancy while others are not. Chemicals like ammonia and chlorine might cause ...

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 ...

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 ...

Every child feels lonely now and then. But kids can feel better when parents work with them to practice skills that help with bonding, belonging, and feeling close to others. These are called social ...

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!

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 ...

Many things can lead to hearing loss, but often, no cause is found. Hearing loss is more likely if a child: Some hearing problems come on gradually after birth or show up later in life. If you are ...

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 ...

How much do you know about your muscles? Find out by taking this quiz!

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 ...

The chances of getting pregnant while using fingers during sex (“fingering”) are very low. Fingering itself can’t cause pregnancy. But it’s possible for a pregnancy to happen if sperm gets on a finger ...