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Did you know?
Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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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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Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.