Parotid duct obstruction is when part of your parotid duct becomes blocked. The parotid duct is a small tube that leads from a gland that makes saliva. The duct sends the saliva into your mouth. When it's blocked, saliva can't flow normally.

An ovarian cyst is a fluid-filled sac that forms on or inside an ovary. These cysts are very common in women of all ages.

A nasal fracture (broken nose) is a break in one or more of the bones of the nose. Learn more about nasal fractures in children, including causes, symptoms, and diagnosis.

Turf toe is a sprain of the largest joint of the big toe. It happens when the toe bends up too far. This can happen when pushing off the foot to run.

Growth hormone deficiency means that a child doesn't have enough growth hormone. It affects how much a child grows, and it can cause other symptoms. Read on to learn more.

Angioplasty and stenting is a type of procedure to improve the blood flow in an artery or vein.

Here are the steps for using hand sanitizer.

Glioblastoma multiforme (GBM) is a type of brain cancer tumor. Treatment is often done with surgery, radiation, and chemotherapy. Here's what you need to know.

Labyrinthitis is the inflammation of part of the inner ear called the labyrinth. It usually affects only one ear. A nerve in the head called the eighth cranial nerve may also be inflamed. Labyrinthitis causes a sense of spinning and hearing loss. In most people these go away over time.

Keratoconus is an eye disorder where your cornea thins slowly over time. It happens more often in young adults in their teens and 20s.