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Disease

Popliteal artery aneurysm

Learn more about this lower extremity aneurysm that occurs in the wall of an artery located behind the knee.
Disease

Hantavirus pulmonary syndrome

Learn about the rodent-transmitted virus that causes severe — and sometimes fatal — lung disease with flu-like symptoms that can rapidly worsen.
Disease

Jaw tumors and cysts

Also called odontogenic tumors and cysts, these typically benign lesions develop in the jawbone or the soft tissues in the mouth. They vary in severity.
Disease

Central nervous system vascular malformations

Several types of this condition affect the blood vessels in the brain or spinal cord.
Disease

Peptic ulcer

A dull or burning pain in the stomach could be a peptic ulcer. Find out more about this common, treatable digestive condition.
Disease

Typhoid fever

Learn more about the symptoms, cause and treatment of this serious bacterial infection.
Disease

Lactose intolerance

Tummy upset after that milkshake? Not being able to fully digest the lactose in dairy products can lead to diarrhea, gas and bloating after eating or drinking them.
Disease

Mixed connective tissue disease

This condition has symptoms of several other conditions, making it hard to diagnose. There's no cure, but medicines can help.
Disease

Alcohol intolerance

Having a stuffy nose and skin flushing right after you drink alcohol may mean you have this condition.
Disease

Hyponatremia

Hyponatremia is the term used when your blood sodium is too low. Learn about symptoms, causes and treatment of this potentially dangerous condition.
Disease

Cushing syndrome

High levels of the hormone cortisol in your body cause this endocrine disorder. Learn about symptoms, causes and treatment.
Disease

Lupus nephritis

Learn about this common effect of lupus on the kidneys, including symptoms to watch for, how it's diagnosed and what treatments are available.

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