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14 November 2005 | Printer friendly

New study in the US shows organic diet protects children from some pesticides

The US National Institute of Environmental Health Sciences (NIEHS) conducted a new study to be published in their peer-reviewed journal, Environmental Health Perspectives.

The study was conducted over a period of 15 days on 23 elementary school-age children. They were tested every day for specific metabolites of malathion and chlorpyrifos, two organophosphates (Ops), pesticides known to cause neurological effects.

The study consisted in changing the children’s diet from conventional to organic for a few days in the middle of the study period. While metabolites of the two pesticides could be found in all the urine samples before and after the organic diet, during all the time of the organic diet, they were found only at non-detectable levels.

The authors conclude that since the exposure is “dramatic and immediate” for those “commonly and predominantly used” pesticides, the study “supports the conclusion made by the National Research Council’s 1993 report that dietary intake of pesticides could represent the major source of exposure in infant and young children.”


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