Posttraumatic stress disorder is a debilitating anxiety that can affect people who have been through or seen a traumatic event. Counseling and medicine can help.
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Atopic dermatitis is a chronic skin disorder. It is also called eczema. It often affects infants and may last until adulthood. It causes itchy, scaly patches on the skin.
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Insomnia is trouble falling to sleep or staying asleep. One in three adults has bouts of insomnia.
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A heart attack happens when the blood supply is cut off from the heart muscle, usually because of a blood clot. Without blood and oxygen, the muscle cells are damaged and die.
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