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It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.
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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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The average human gut is home to perhaps 500 to 1,000 different species of bacteria.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.