This document discusses injuries as a major community health problem, including both unintentional and intentional injuries. It provides statistics on the costs and burden of injuries in the US. The main causes of unintentional injury deaths are motor vehicle crashes, falls, and poisonings. Intentional injuries include violence and self-harm. Prevention strategies aim to reduce risks through education, regulation, environmental modifications, and other approaches. Overall the document presents injuries as an important public health issue and outlines key epidemiological factors and prevention tactics.