Polyarthritis is a term for arthritis that affects five or more joints at the same time. Learn about the causes, symptoms, and treatments.

Spirometry is a type of breathing test. It is a painless test often used to find the cause of lung problems.

Many people have consistently low self-esteem. This means they don’t feel good about themselves most of the time.

Continuous renal replacement therapy (CRRT) is a special type of dialysis. It’s mostly used to help very sick people whose kidneys suddenly start to fail.

Baby acne (neonatal acne) is a skin condition that affects about 2 out of 10 newborns. It occurs when a baby is about 2 to 6 weeks old.

Hemodialysis is usually done in a hospital or dialysis center. But it may also be done at home. Learn about home hemodialysis (HHD).

Dry needling is like acupuncture. A healthcare provider puts needles into painful parts of the body and touches, taps, or pricks tissues to ease pain.

It's normal to feel anxious before having surgery. Here are some ways to make you feel more comfortable about having surgery.

Being as physically healthy as possible before surgery is important. It can help shorten your hospital stay and your total healing time.

Learn about an ICD, a small device used to treat certain dangerous heart rhythms, and how it's implanted.