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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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Vaccines prevent between 2.5 and 4 million deaths every year.
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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
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As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.