L’invisibilité du « syndrome d’hypersensibilité chimique multiple » : les conséquences de l’absence d’un espace de conflit

The “Multiple Chemical Sensitivity syndrome” has been at the heart of long conflict, since it was described at the end of the seventies. The first goal of article is to show that the connection between pathology and pollution is an epistemic and axiological problem. In spite of conflicts, the “Multiple Chemical Sensitivity” syndrome has failed to stir up much interest in France. I will explain this silence by: 1) the lack of a consensual definition of the syndrome; 2) lack of an identified conflict space. In order to conclude, I would propose to describe environmental health as a multitude