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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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Illicit drug use costs the United States approximately $181 billion every year.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.
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