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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
People about to have surgery must tell their health care providers about all supplements they take.
People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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.
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.