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Did you know?
The familiar sounds of your heart are made by the heart's valves as they open and close.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.
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More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.