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Everyone has one nostril that is larger than the other.
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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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Illicit drug use costs the United States approximately $181 billion every year.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.