Conventional farming of many fruits and vegetables often relies on toxic pesticides, like organophosphates, that leave harmful residues on food, drift into neighboring communities and poison farmworkers. Children and pregnant women are especially vulnerable because even low level exposure can threaten the development of the brain and nervous system. Within the family of organophosphates, chlorpyrifos is a commonly used product whose risk to the food supply has alarmed pediatricians and policymakers . girl-with-apple.jpg In contrast to conventional production, organically-grown produce is far...