Emergency physicians witness the effects of injury and violence every day. Traumatic brain injury, assault-related trauma, motor vehicle crashes, and opioid overdoses make up only some of these injuries-many of which can be prevented and better understood. The Centers for Disease Control and Prevention's National Center for Injury Prevention and Control (Injury Center) is uniquely poised to measure the toll of injury and violence on the lives of Americans, to communicate this public health burden, and to reduce the factors that increase their risk. Injury is the leading cause of death for persons aged 1 to 44 years in the United States. The Injury Center seeks to prevent violence and injuries and to reduce their consequences. For more than ...