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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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Asthma cases in Americans are about 75% higher today than they were in 1980.
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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.