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Did you know?
There are more bacteria in your mouth than there are people in the world.
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There are approximately 3 million unintended pregnancies in the United States each year.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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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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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.