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The hair of mummies from the town of San Pedro de Atacama in Chile reveals the people in the region had a nicotine habit spanning from at least 100 B.C. to A.D. 1450.
http://www.huffingtonpost.com/2013/07/01/chilean-mummies-hair-nicotine-habit-centuries_n_3521693.html?ir=Science&utm_campaign=070113&utm_medium=email&utm_source=Alert-science&utm_content=Photo
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