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There are approximately 3 million unintended pregnancies in the United States each year.
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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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The familiar sounds of your heart are made by the heart's valves as they open and close.
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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
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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.