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 ...

Tennis is a good way to stay in shape and have fun. It's an easy game to get started playing, and many areas have public courts. These safety tips can help protect players from injuries. The right ...

To calculate this, divide a food or drink's calories from fat by total calories (this information is on the product's food label) and then multiply by 100. For example, if a 300-calorie food has 60 ...

Also called: SC-Type of Sickle Cell Disease, Hemoglobin SC (HSC) Disease, Sickle Cell-Hemoglobin C Disease Syndrome, Hemoglobin Sickle C Disease (Hb S/C) What Is Hemoglobin SC (HbSC) Disease?

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 ...

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 ...

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!

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

Sexually transmitted diseases (STDs) are infections spread from person to person during sex (vaginal, oral, or anal) or close sexual contact. STDs are also called sexually transmitted infections, or ...

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 ...

Did you know you have more than 600 muscles in your body? They do everything from pumping blood throughout your body to helping you lift your heavy backpack. You control some of your muscles, while ...

Some babies are born with a condition called Goldenhar syndrome. It can cause incomplete development of bones in the face, affecting the ears, nose, soft palate, lips, and jaw. Usually, this happens ...