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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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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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Medication errors are three times higher among children and infants than with adults.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.