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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.