From the Document: "The public health perspective asks the foundational questions: Where does the problem begin? How could we prevent it from occurring in the first place? To answer these questions, public health uses a systematic, scientific approach for understanding and preventing violence . While violence prevention practitioners may not be involved in all steps, understanding each step and why they are necessary to assure the desired impact on community health is helpful in selecting and/or developing prevention strategies."
Centers for Disease Control and Prevention: https://www.cdc.gov/