
HHS (U.S. Department of Health & Human Services)

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Schizophrenia affects men and women equally. It occurs at similar rates in all ethnic groups around the world. Symptoms such as hallucinations and...
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The symptoms of schizophrenia fall into three broad categories: positive symptoms, negative symptoms, and cognitive symptoms Positive symptoms...
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Schizophrenia is a chronic, severe, and disabling brain disorder that has affected people throughout history. About 1 percent of Americans have this...
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One dose of mumps vaccine will "take" (be effective) in approximately 80% of people vaccinated, and two doses of mumps vaccine will...
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LASIK is a surgical procedure intended to reduce a person's dependency on glasses or contact lenses. LASIK stands for Laser-Assisted In Situ...
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Medical History and Physical Examination Asking questions to learn the history of symptoms and a careful physical examination are key in the...
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The appendix is a small, tube-like structure attached to the first part of the large intestine, also called the colon. The appendix is located in the...
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Behavioral interventions -- particularly, cognitive-behavioral therapy -- have been shown to be effective for decreasing cocaine use and preventing...
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If a doctor suspects a child has autism or another developmental disability, he or she usually will refer the child to a variety of specialists...
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Autism is one of the autism spectrum disorders, a group of conditions that vary in their severity and the age at which a child first may show...
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The word "autism" has its origin in the Greek word "autos," which means "self." Children with autism often are self...
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People may feel very sick and vomit many times a day, but most people get better within 1 or 2 days, and they have no long-term health effects...
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Noroviruses are a group of viruses that cause gastroenteritis in people. Gastroenteritis is an inflammation of the lining of the stomach and...
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The symptoms of norovirus illness usually include nausea, vomiting, diarrhea, and some stomach cramping. Sometimes people also have a low-grade...
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Noroviruses are very contagious and can spread easily from person to person. Both stool and vomit are infectious. Particular care should be taken...













