Skin care
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Adjustment disorders
These are unhealthy reactions to stress that involve emotions and behavior. The response to stress is much more intense than would usually be expected.
Adenomyosis
Displaced endometrial tissue from adenomyosis can cause an enlarged uterus and painful, heavy periods.
Addison's disease
Learn about this rare but serious disorder of the adrenal glands that's treated by replacing needed hormones.
Add antioxidants to your diet
Antioxidants may play a role in preventing heart disease, cancer and other diseases. See which foods are abundant in antioxidants.
Acute sinusitis: Do over-the-counter treatments help?
Medicine you can get without a prescription may give some relief from acute sinusitis symptoms.
Acute sinusitis
Learn the latest ways to treat and prevent the stuffy nose and head pain that can come with this condition.
Acute myelogenous leukemia
Learn about this cancer that forms in the bone and bone marrow. Treatments include medications and bone marrow transplant.
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.
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