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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 first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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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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The human body produces and destroys 15 million blood cells every second.
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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.