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Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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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 familiar sounds of your heart are made by the heart's valves as they open and close.
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On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.