Davis, DevraToxic chemicals don’t just hurt us in big doses. An environmental oncologist argues that myriad tiny amounts of cancer-causing agents in our environment—and even in our shampoo—can make us sick.Prenatal & Pediatric HealthPublic HealthCancerToxic chemicalscancercancerous agentcosmeticsFoodDrug and Cosmetic Actpara-dioxaneminiscule levelsArticle