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 ...

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 ...

Just about every guy wonders how he measures up "down-there." Here's the lowdown for any guy who's ever worried about whether his penis is a normal size. There is a wide range of normal penis sizes.

A lot of changes happen as you grow up, especially as you reach puberty (say: PYOO-bur-tee). This is the time when your body begins to develop and change. During puberty, there isn't just one event or ...

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 ...

Genetics is the study of genes. Our genes carry information that gets passed from one generation to the next. For example, genes are why one child has blonde hair like their mother, while their ...

What Is a Breath-Holding Spell? A breath holding spell is when a child holds their breath, usually after being angry, frustrated, startled, or in pain. Sometimes the breath holding leads to the child ...

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 ...

Baths do more than keep your baby clean. They also give you a chance to bond. With a little planning and practice, both you and your baby will look forward to bath time. Here are the basics about ...

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 ...

DNA is a short nickname for deoxyribonucleic (say: dee-OK-see-ri-bo-new-klee-ik) acid. DNA is the genetic information inside the body's cells that helps make people who they are. It's the instructions ...

Herd immunity is the idea that when many people are immune to (protected from) a contagious infection, it's harder for that infection to spread in a community. Antibody shots against specific germs ...