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 ...

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 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 ...

Communicating with our kids is one of the most pleasurable and rewarding parts of parenting. Children learn by taking in information through daily interactions with us and the world around them. The ...

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 ...

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 ...

COVID-19 usually is milder in kids than in adults, though some children have gotten pretty sick from it. Many parents wonder what to do if their child gets sick. Here's what you need to know.

Bullying is a big problem. It can make kids feel hurt, scared, sick, lonely, embarrassed, and sad. Bullies might hit, kick, or push to hurt people, or use words to call names, tease, or scare them. A ...

Answering kids' questions about sex is a job many parents don’t look forward to. It may feel awkward when it comes to talking about puberty and where babies come from. But don’t avoid these topics.

What's the Immune System? To be immune (say: ih-MYOON) means to be protected. So it makes sense that the body system that helps fight off sickness is called the immune system. The immune system is ...

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