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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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People about to have surgery must tell their health care providers about all supplements they take.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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There are more sensory neurons in the tongue than in any other part of the body.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).