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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.
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It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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There are approximately 3 million unintended pregnancies in the United States each year.