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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
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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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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.