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The middle ear is an air-filled chamber that lies behind the eardrum. Pressure in the middle ear changes to match air pressure outside of the eardrum. When inside and outside pressures are balanced, the eardrum is flexible and normal hearing is more likely. Problems happen when air pressure in the middle ear drops. This is often due to a block in the eustachian (u-STA-shun) tube, the narrow channel connecting the ear with the back of the throat.

Getting quality health care doesn’t always mean going into the hospital or emergency room. Depending on your needs, other medical facilities may serve you just as well—or even better.

Oral lesions are abnormal cell growths or cell changes in or around the mouth that may become cancer. These lesions need to be found early to give you a better chance for a cure.

Open surgery may be done before, after, or instead of other treatments. This is usually done if the stone is very large, if you have a serious infection, or the kidney has blockage even after waiting for a while.

Nonstress and contraction stress tests check if your baby is getting enough oxygen and nutrients from your blood. Here's what to expect.

If your child's testicle doesn't descend on its own, it should be treated to prevent future problems. Surgery is done to bring an undescended testicle into the normal position within the scrotum. Learn more about why surgery is needed and what you can expect when your child has it done.

Here are tips for first, second, and third trimesters to cope with issues like nausea, fatigue, mood swings, and headaches.

Mouth sores (stomatitis) and dry mouth are common side effects of chemotherapy and radiation therapy. These tips may help you feel better.

A period is the result of a cycle that takes place inside a girl's body. This menstrual cycle makes it possible for women to have babies. The cycle begins with ovulation, when an egg is released and begins its journey.