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The horizontal fraction bar was introduced by the Arabs.
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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.
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More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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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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Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.