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Researchers Smoke Out Link Between Birds and Cigarettes

April 15, 2013
Reuters / Powered by
Researchers in Mexico are investigating the connection between cigarettes and at least two bird species that use butts to line their nests. In a paper published last year, the researchers suggested that chemicals in the cigarette butts help deter parasites but they hope that further study will establish a definitive link. Elly Park has more.
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