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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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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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There are approximately 3 million unintended pregnancies in the United States each year.
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Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.