In the field of health, information practices and the organization of knowledge constitute a major challenge today. The practices of the medical profession, or of patients, are evolving under the influence of digital technology. At the same time, the way in which medical knowledge is organized, represented and mediated is also evolving. Information Practices and Knowledge in Health addresses the different aspects of the field of specialized medical and health information; it focuses on the informational practices of professionals in the sector, of patients and, more broadly, of citizens with regards to their health. This book also considers the systems that are used for organizing knowledge in this field.

The question of trust is crucial in the field of health. First, because health is indicative of particularly strong issues at the societal, regulatory, institutional or individual levels; secondly, because the boundaries between specialized information validated by legitimate instances and uncommitted information have become permeable; finally, because it appears to be central within relations between actors in the field. In this book, we propose to address the trust in terms of the information and communication phenomena that are at work in the health sector, and to look at the process of building the legitimacy of information in the health sector. health.