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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Illicit drug use costs the United States approximately $181 billion every year.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.