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In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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Medication errors are three times higher among children and infants than with adults.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
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Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.