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This article is an approach to the consequences of the internal armed conflict that Colombia has lived during the last four decades. It starts with the identification of the conflict's context and its current characteristics. It then focuses on the different manifestations and consequences of the conflict and on their deep impact on the life, quality of life, health, disease, and health services of the population. In special we refer to the high homicide rates, forced internal displacement, kidnapping and the use of antipersonnel mines. Among the most affected groups are young men, women, children, and ethnic minorities such as indigenous and afro-american people. This analysis also refers to the frequent violations of International Humanitarian Law and to the negative impact of violence on the provision of health services. Finally, general conclusions are drawn, and alternatives for studies on the problem and for possible solutions from the standpoint of the health sector are proposed.

Violence is the main public health problem in Colombia. Many theoretical and methodological approaches to solving this problem have been attempted from different disciplines. My past work has focused on homicide violence from the perspective of social medicine. In this article I present the main conceptual and methodological aspects and the chief findings of my research over the past 15 years. Findings include a quantitative description of the current situation and the introduction of the category of explanatory contexts as a contribution to the study of Colombian violence. The complexity and severity of this problem demand greater theoretical discussion, more plans for action and a faster transition between the two. Social medicine may make a growing contribution to this field.

Resumo Realizou- Mexico, 31.8% in Colombia, and 8.1% in Brazil). The ratio for deaths by homicide for both sexes was 9.1 in Colombia, 4.4 in Brazil and 1.6

(courage, self-affirmation, autonomy) and negative (defeat, despair, and an inability to adapt).