Myeloma bone disease is cancer that affects certain white blood cells called plasma cells.
|Mitral Valve Prolapse
The mitral valve sits between the left atrium and left ventricle. It's job is to keep blood flowing in the right direction. Mitral valve prolapse is the bulging of the valve causing blood to leak backwards.
Detailed information on molluscum contagiosum, including causes, symptoms, diagnosis, and treatment
Ménière's disease is a balance disorder. It’s caused by an abnormality in part the inner ear called the labyrinth. Fluid build-up here can cause severe spinning sensation (vertigo) and affect the hearing.
|Mumps in Adults
Detailed information on mumps, including symptoms, diagnosis, complications, and treatment
Depression is a serious mood disorder. It touches every part of your life and is caused by a chemical imbalance in your brain. Treatment involves medicine and counseling.
This often severe, throbbing type of headache is different from other types of headaches in that symptoms other than pain occur with the headache. Nausea and vomiting, lightheadedness, sensitivity to light (photophobia), and other visual disturbances are common migraine symptoms.
|Medial Epicondylitis (Golfer's and Baseball Elbow)
Other activities that can cause this condition include carrying a heavy suitcase, chopping wood, and using a chainsaw.
|Merkel Cell Cancer
Detailed information on merkel cell cancer, including diagnosis and treatment
|Mad Cow Disease (Bovine Spongiform Encephalopathy)
BSE is a cattle disease, and vCJD is the equivalent disease in humans. Both are fatal brain diseases. Researchers believe that people become infected by eating beef contaminated with BSE.