Organochlorine may affect thinking skills

eldersA study published in the scientific journal Environmental International and highlighted by The Organic Center has detected a link between exposure to organochlorine pesticides and low cognitive scores in the elderly living in the United States. Cognitive function was assessed from 644 participants ages 60 – 85 from the National Health and Nutrition Examination Survey from 1999 to 2002 who did not display signs of overt dementia. Subjects were assessed for exposure to six organochlorine pesticides as well as organophosphate and pyrethroid pesticides. Researchers found that while exposure to non-persistent pesticides such as organophosphates and pyrethroids were not associated with changes in cognitive score, organochlorine pesticides were.

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