Toxic chemicals designed to cause neurological damage are being pumped into our children’s environment and food, as parents and teachers struggle to help vast numbers of children with growing rates of neurodevelopmental and learning disabilities. A prime example is the pesticide “chlorpyrifos.” It is one of the “organophosphates,” a class of chemicals originally developed for use as nerve poisons in wars. Although it has been banned for residential use, chlorpyrifos is widely used in agriculture, and exposures for farm worker children and others living in rural farming areas are very well...