This article, an introduction to the World Report on Violence and Health published by the World Health Organization (WHO), provides a comprehensive overview of violence as a global public health problem. It addresses key questions about the concept and definition of violence, the state of knowledge, the nature and typology of violence, and the potential for prevention and reduction through public health approaches. The article emphasizes the multifaceted nature of violence, its impact on individuals, communities, and societies, and the need for a comprehensive, interdisciplinary approach to address it. It highlights the importance of understanding the underlying causes of violence, which include individual, relationship, social, cultural, and environmental factors. The article also discusses the role of public health in preventing and reducing violence, including the application of an ecological model to understand the complex interplay of risk factors. It outlines the three levels of prevention—primary, secondary, and tertiary—and emphasizes the need for a holistic approach that addresses all levels of risk and protective factors. Additionally, the article addresses the challenges and obstacles in implementing prevention efforts, such as cultural sensitivity and the need for rigorous evaluation of interventions. Finally, it calls for increased collaboration between various sectors and international organizations to effectively tackle the global violence problem.This article, an introduction to the World Report on Violence and Health published by the World Health Organization (WHO), provides a comprehensive overview of violence as a global public health problem. It addresses key questions about the concept and definition of violence, the state of knowledge, the nature and typology of violence, and the potential for prevention and reduction through public health approaches. The article emphasizes the multifaceted nature of violence, its impact on individuals, communities, and societies, and the need for a comprehensive, interdisciplinary approach to address it. It highlights the importance of understanding the underlying causes of violence, which include individual, relationship, social, cultural, and environmental factors. The article also discusses the role of public health in preventing and reducing violence, including the application of an ecological model to understand the complex interplay of risk factors. It outlines the three levels of prevention—primary, secondary, and tertiary—and emphasizes the need for a holistic approach that addresses all levels of risk and protective factors. Additionally, the article addresses the challenges and obstacles in implementing prevention efforts, such as cultural sensitivity and the need for rigorous evaluation of interventions. Finally, it calls for increased collaboration between various sectors and international organizations to effectively tackle the global violence problem.