[The syndemic model in medicine. From the reconstruction of social and health contexts, to the return of citizenship rights.].

The syndemic model in medicine aims to deepen the interaction between different pathologies and the social situations in which they are determined, considering not only the biomedical definition of typical comorbid conditions, but also the interaction between genetic and environmental factors, and lifestyle. Applying a syndemic approach can be relevant and innovative because it offers the opportunity to identify the barriers and circumstances that cause or exacerbate pathological conditions. The unresolved problem is how to translate successfully this approach into professional practice. To do this, a different epidemiological approach is needed to define pathways, tools, methods to describe the stories of populations, contexts, institutions: an organizational system of health and social services should be shaped. It should be appropriate for the needs of people and not simply well-matched with predefined models and resources. A syndemic logic should lead to the research/testing of health profiles for taking charge of people's citizenship rights, identifying population groups at risk and analyzing health inequalities through sectoral and multidisciplinary interventions aimed at specific health determinants (environment, work, lifestyles, etc.).