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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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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.