Since his training and interest in health education, Chaux has worked on public health interventions for more than 15 years, including policies, plans, programs, and projects at the national, territorial, and community levels.  Health behaviors and health education are his area of ​​performance and contribution to public health. His work is focused on the understanding and intervention of social and behavioral factors that influence the health of individuals, groups, communities and society. In particular, her research is oriented towards the design, implementation and evaluation of public health interventions, as well as the analysis of health inequities. Her main field of research is related to cardiovascular health and disease, this includes the study and intervention of risk and protective factors, living conditions and structural factors, including public policies.  Another of his areas of interest has to do with the study of the challenges that urbanization and urban contexts have for health and quality of life, especially in intermediate cities, and the development of initiatives to face these challenges. His work is mainly based on the use of mixed and participatory research approaches.