Detailed information about peak flow measurement, a quick test to measure air flowing out of the lungs.

A lung scan is an imaging test to look at your lungs and help diagnose certain lung problems. A lung scan may also be used to see how well treatment is working.

Learn more about osteoarthritis, the most common type of arthritis, by taking this quiz.

Answer this one: Depression peaks at certain life stages. People in which group are likely to experience it most often?

Breastfeeding is filled with benefits to your child and you. Do you know what they are?

A transurethral resection of the prostate (TURP) is surgery to remove parts of the prostate gland through the penis. No cuts (incisions) are needed.

Radical prostatectomy is surgery to remove the prostate gland. During the procedure, the seminal vesicles, nearby tissues, and often some pelvic lymph nodes are also removed.

A venogram is a test that lets your healthcare provider see the veins in your body, especially in your legs. A special dye is injected that can been seen on an X-ray. The dye lets your healthcare provider see your veins and how healthy they are.

Carotid endarterectomy (CEA) is a surgical treatment for carotid artery disease. The carotid arteries are the main blood vessels that carry oxygen and blood to the brain. In carotid artery disease, these arteries become narrowed. This reduces blood flow to the brain and could cause a stroke.

Amputation is surgery to remove all or part of an arm or leg. Learn more about amputation, including why it's done, risks, and what to expect before, during, and after surgery.