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Did you know?
The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.
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Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.