Consumer health basics
Learning Center
Acute lymphocytic leukemia
Learn about this cancer that forms in the blood and bone marrow. Treatments include medications and bone marrow transplant.
Acute liver failure
A rapid loss of liver function can occur in people who don't even have liver disease. Find out about symptoms, treatment and prevention of this serious medical emergency.
Acute kidney injury
Learn what happens when the kidneys suddenly stop working, what causes this condition and how it's treated.
Acute coronary syndrome
Know the symptoms, causes and treatment of this heart condition. The term refers to many conditions that cause sudden, low blood flow to the heart.
Acromegaly
An excess of growth hormone causes the bones to keep growing, which can lead to a number of serious complications if left untreated.
Acoustic neuroma
This noncancerous tumor can sometimes grow on the nerve in the head that affects hearing and balance.
Acne
Learn more about this common skin condition, including causes, treatments and simple skin care steps you can do at home to help control it.
Achilles tendon rupture
An Achilles tendon rupture is an injury that is usually painful and likely to affect your ability to walk. Surgical repair is sometimes necessary.
Achilles tendinitis
Achilles tendinitis — Comprehensive overview covers symptoms, causes, treatment of this overuse injury.
Achalasia
In this condition, the muscles in the esophagus don't relax, preventing food and drink from moving into the stomach. Learn more about this rare digestive disorder.
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