This is a powerful and comprehensive COVER STORY that links effects from everyday household chemicals on children's learning and behavior and critical windows of exposure: "Timing appears to matter as well as gender; a number of studies show that prenatal exposure to toxins is more likely to be associated with IQ drops and behavior issues in boys than in girls."...Scary stuff and more fuel for supporting SafetyNEST movement to change every women's expectation of prenatal care!