More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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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 human body produces and destroys 15 million blood cells every second.
1–12 Elements essential to animal life and health
Comparison of Paper Medical Records and Electronic Health Records