ObjectiveThe introduction to a series of articles on traumatic stress aims to examine the ambivalent relationship between traumatic stress and psychiatry. It provides an outline to the very significant contribution that this field made before the conceptualisation of posttraumatic stress disorder (PTSD) and how the research and theoretical thinking in this field can provide many insights into the relationship between environmental factors and psychological health. It focuses on the relevance of this field to general psychiatry.ResultPosttraumatic stress disorder has emerged as the most common anxiety disorder in women. As well, there are high rates discovered in a range of chronically ill psychiatric patient populations. In particular, stra...