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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.
More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.
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.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Women are 50% to 75% more likely than men to experience an adverse drug reaction.