An overview of childhood traumatic exposures and their impact for health care providers - child and adolescent psychiatrists, general psychiatrists, other pediatric behavioral health providers and primary care clinicians - is presented. Most clinicians are unaware that children in the United States are exposed to trauma frequently, either as a single occurrence, or through repeated events. These exposures result in neurobiological, developmental and clinical sequelae that can undermine children's health and well-being. This issue describes the multiple types of traumatic exposures and their...