Laser peripheral iridotomy is a procedure that uses a laser to make a tiny hole in the iris, the colored part of the eye. This procedure is used to treat angle-closure glaucoma and may help prevent it in people at high risk. Angle-closure glaucoma...

SMART stands for "single maintenance and reliever therapy." It combines two medicines into one inhaler. These medicines work in different ways to help control asthma symptoms. SMART may be recommended if you have moderate to severe asthma. SMART is...

A severe and enduring eating disorder (SEED) is an eating disorder that goes on for a long time. This may happen despite multiple attempts (usually three or more) to treat it. Eating disorders cause some people to have unhealthy thoughts and...

Organ rejection is when your immune system attacks a transplanted organ. It's most common early, but can happen anytime. Watch for fever, pain or swelling, trouble breathing, less urine, sudden weight gain, or yellow skin or eyes.

An interscalene block is a type of peripheral nerve block. It's a shot of numbing medicine that's given near the brachial plexus in the neck, near the collarbone. Learn how it's done, what to expect, and what the risks are.

People who get an organ transplant (organ recipients) and people who donate an organ (organ donors) are less healthy if they smoke cigarettes. Quitting smoking (smoking cessation) is important so that people who get or donate an organ can be as...

Posture is how you hold your body when you sit, stand, and move. Body mechanics is the way you use your body safely during daily activities. These include things like lifting, bending, carrying, and reaching. Good posture and safe body mechanics...

May-Thurner syndrome is a condition that affects blood flow in the pelvis and legs. Normally, blood from your legs travels back to your heart through large veins. In May-Thurner syndrome, this blood flow is partly blocked. This happens when the...

Contrast-enhanced mammography (CEM) is a test to find breast cancer. It takes X-ray pictures of the breast, like a regular mammogram. It also uses contrast material. Contrast material, or contrast dye, is a substance that makes blood vessels or...