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 ...

Labial adhesions happen when the labia minora (the inner folds of skin surrounding the vaginal opening) become fused together. In most cases, only a small part of the labia is fused, so the adhesions ...

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 ...

How Does the Brain Work? And How Does the Nervous System Work? How do you remember the way to your friend's house? Why do your eyes blink without you ever thinking about it? Where do dreams come from?

What Is an Umbilical Hernia? An umbilical hernia happens when part of a child's intestines bulges through the abdominal wall inside the belly button. It shows up as a bump under the belly button. The ...

Malaise and fatigue often go hand-in-hand and indicate a child is sick or about to become sick. Symptoms can start slowly or appear suddenly depending on the cause. They can be acute (short-lasting) ...

Right ventricle (VEN-trih-kul): one of the four chambers of the heart. The right ventricle pumps blood low in oxygen to the lungs. In the lungs, the blood then gets a "refill" of oxygen.

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 ...

What Is a Tear-Duct Blockage? A tear duct is a small tube that drains tears from the eyes. Tears are made in glands under the eyelids. They wash over the eyes to keep them moist and clean. Then, they ...

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 Steps Can Help Prevent Drowning? Drowning is a leading cause of death in children and teens. Among young children, most drownings happen in home pools or hot tubs. In teens, drowning is more ...

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 ...