The temporomandibular joint (TMJ) connects the lower jaw to the skull. You can feel your two TM joints and their movement by placing your fingers directly in front of your ears and opening your mouth.

Por lo general, los médicos no pueden saber si una persona se ha estado masturbando (tocarse o frotarse los genitales porque le gusta lo que se siente). La única manera de que los médicos sepan si una ...

What Is Coarctation of the Aorta? Coarctation of the aorta (COA) is a narrowing of the aorta, the major blood vessel that carries blood away from the heart to the body. This narrowing causes the left ...

What Is a VP Shunt? A ventriculoperitoneal (VP) shunt is a thin plastic tube that helps drain extra cerebrospinal fluid (CSF) from the brain. CSF is the saltwater that surrounds and cushions the brain ...

When your child is sick or injured, it's natural to want to head straight for the emergency room (ER). You know that you can get care, no matter the time, day, or severity of your child's injury. In ...

Symptoms, inhaler, tonsillectomy — what do all those medical words mean? Check out our easy-to-read definitions.

Inhalants are things that are breathed in (inhaled) to give the user an immediate rush, or high. They include glues, paint thinners, dry cleaning fluids, gasoline, felt-tip marker fluid, hair spray, ...

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 ...

What Is a Perforated Eardrum? A perforated eardrum is a tear or hole in the ear's tympanic membrane (the eardrum). A perforated (PER-fer-ate-id) eardrum can hurt, but most heal in a few days to weeks.

A wet dream — also called a nocturnal emission — is when a male ejaculates or "cums" while sleeping. During ejaculation, semen (the fluid that carries sperm) comes out of the penis. When you wake up ...

Have you ever seen liver and onions on a diner menu? If so, we're guessing you said "yuck" and ordered something else. But did you know that there's one liver you don't have to order? It's always ...

Parents can help protect kids against drug use by giving them the facts before they're in a risky situation. This can make them less likely to experiment with drugs or to rely on friends for answers.