At the conclusion of this course, students will be able to explain the multifactorial origin of the health-disease process, based on the model of Natural History of Disease and prevention levels, and the epidemiological model of the health field, applied to the morbidity and mortality of major causes of illness and damage to health. They will also be able to analyze the efficiency and effectiveness of key health programs under the risk approach, applied to different levels of individual , family and community prevention.