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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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Vaccines prevent between 2.5 and 4 million deaths every year.
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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
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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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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.