​Pesticides IQ Exposure Link (Study)

Author: Jennifer HongBy:
Staff Reporter
Dec. 30, 2012

Pesticides IQ. Prenatal exposure to pesticides, widely used on food crops, is related to lower IQ scores at age seven. The study was compiled by researchers at the University of California-Berkeley.

More On Pesticides IQ.

Organophosphates (OP) are a class of pesticides that are well-known neurotoxicants, toxic substances that cause neurological (brain and nerve) damage through ingestion, injection and cutaneous application. Indoor use of chlorpyrifos and diazinon, two common OP pesticides, has been phased out over the past decade. This was primarily due to the health risks to children, the journal Environmental Health Perspectives reports.

Pesticides IQ

Children with the highest levels of prenatal pesticide exposure scored seven points lower on a standardized measure of intelligence compared with children who had the lowest levels of exposure, according to a statement. The UC Berkeley study is among a trio of papers showing an association between pesticide exposure and childhood IQ.

Notably, the other two studies - one at Mt. Sinai Medical Centre, the other at Columbia University - examined urban populations in New York City, while the UC Berkeley study focused on children living in Salinas, an agricultural centre in California. The 329 children in the Berkeley study had been followed from before birth as part of the Centre for the Health Assessment of Mothers and Children of Salinas (Chamacos), an ongoing longitudinal study led by Brenda Eskenazi, professor of epidemiology and of maternal and child health at the school.

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