In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The horizontal fraction bar was introduced by the Arabs.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
Structure of a lymph node
2006 Data:Top 25 Substances Involved in Human Exposures
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Structure of the E. coli Tus protein, complexed with double-stranded DNA