Learn about this contagious and sometimes fatal respiratory illness. The last known infection was reported in 2004.
Disease
Heartburn
Occasional heartburn is a common, manageable condition — but when is it a problem?
Disease
Pulmonary edema
Get more information about the causes of this potentially life-threatening lung condition and learn how to treat and prevent it.
Disease
Common cold
This common illness of the nose and throat causes a stuffy or runny nose, sore throat, and cough.
Disease
Eye floaters
Many people over age 50 experience eye floaters. Learn more about this common problem, including causes, other risk factors and treatment options.
Disease
Medication overuse headaches
Using medicines that ease headache pain too often can start causing headaches. Learn about prevention and treatment.
Disease
Toxic shock syndrome
This rare complication of some types of bacterial infections can be fatal. Learn about symptoms, risk factors and treatment.
Disease
Tuberculosis
Learn about the prevention and treatment of this disease that causes serious illness around the world.
Disease
Antiphospholipid syndrome
Learn about causes and treatment of this blood condition that mainly affects women and may cause blood clots and miscarriages.
Disease
Overactive bladder
Learn how you can get relief for sudden urges to urinate, which may point to overactive bladder or urinary incontinence.
Disease
Chronic cough
A cough that lasts for weeks could be caused by smoking, postnasal drip, asthma, acid reflux, respiratory infections, COPD or another underlying problem.
Disease
Brain aneurysm
Learn about the symptoms that may occur when a thinning wall of a blood vessel in your brain bulges — and know when to get emergency care.