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Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
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Everyone has one nostril that is larger than the other.
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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.