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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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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Excessive alcohol use costs the country approximately $235 billion every year.
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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.