AdvertisementMothers' Pesticide Exposure Linked To Kids' IQsApril 21, 2011Richard KnoxfacebookEmailA crop duster airplane sprays a powerful organophosphate pesticide on cotton and potato fields near Bakersfield, Calif. Researchers in three studies looked at women exposed to organophosphates during pregnancy and then followed their children to see how the pesticides affect children's health. (Getty Images)