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Chemicals used in fast food wrappers and microwave popcorn bags to prevent grease from seeping through are being absorbed by food, ingested by people, and showing up as contaminants in their blood, research at the University of Toronto has found....

....PFCAs such as perfluorooctanoic acid (PFOA) are associated with changes in sex hormones and cholesterol levels, according to the US Agency for Toxic Substances. In addition, studies have found rats exposed to high levels of PFOA tend to develop tumors.

http://www.rawstory.com/rs/2010/11/chemicals-fast-food-wrappers-popcor
n-bags-show-human-blood/

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