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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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Illicit drug use costs the United States approximately $181 billion every year.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.