Health, appears to be a complex construction. Configurations observed in a French regional space reveal a constant reconstruction process has taken place, linked to the scope of health intervention - and thus to the concept of health - as well as to the legitimate forms of political engagement in this field. Thus, health overflows the boundaries of sectoral interventions - and analysis. Tackling what it is becoming, rather than what it is, requires a descriptive approach in the Latourian sense. Such an approach reveals cognitive and normative dynamics and multiple commitments of heterogeneous actors. We aim to uncover the grid of actors, objects and representations that form collective action in health, through the connexions they form. Thi...