Numerous health education and public health programs aim to develop psychosocial skills. This special issue examines the issue and takes a critical look at a concept whose implementation demands the highest standards. In the first section, experts provide an overview of the current state of knowledge. The second part presents programs in the field. A special report coordinated by Béatrice Lamboy, Jacques Fortin, Jean-Christophe Azorin, and Mabrouk Nekaa.