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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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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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If all the neurons in the human body were lined up, they would stretch more than 600 miles.
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The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.