[The ``tobacco-free hospital and campus'' action: mid-term evaluation of the needs expressed by students and professionals].

Introduction: In 2021, smoking was considered to be the leading cause of avoidable death in the world, causing numerous pathologies. The rate of smoking in French department of Finistère is high, and the ARS (regional health authority) has funded a prevention campaign for a tobacco-free hospital and campus in Brest. Some health students' smoke (17.