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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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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
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There are approximately 3 million unintended pregnancies in the United States each year.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.