Detailed information on abdominal aortic aneurysms, including description of abdominal aortic aneurysm, causes, symptoms, diagnosis, treatment, and full-color anatomical and procedure illustrations

Arthritis, itself a group of more than 100 different diseases, is 1 category of rheumatic diseases. Read on to learn more about these conditions, and the types of healthcare providers who treat them.

Clinical trials are studies managed by government agencies, educational institutions, private not-for-profit organizations, or commercial businesses. They develop and evaluate the effectiveness of new treatments and therapies for diseases.

Acne affects teens and adults of all ages. It happens when oil secreted by sebaceous glands clogs the hair follicle. Bacteria infect the clogged follicle and cause pimples.

Acoustic neuroma is a rare noncancer tumor. It affects hearing and balance when the tumor presses on the nerves in the inner ear.

Acromegaly is abnormal growth that occurs when an adult's pituitary gland makes too much growth hormone. The abnormal growth starts in your hands and feet, as soft tissue begins to swell. This rare disease affects mostly middle-aged people.

Acupuncture is the practice of putting thin needles into the skin at certain parts of the body. It's done to ease symptoms linked to many diseases. Read on to learn more.

There are several different types of bronchitis. But the most common are acute and chronic. Acute bronchitis may also be called a chest cold.

Detailed information on acute myelogenous leukemia, including symptoms, diagnosis, and treatment.

A traumatic injury to the spine can cause a bruise, a partial tear, or a complete tear in the spinal cord. Read on for details about causes, symptoms, treatment, prevention, and management.