Trauma- and Stressor-Related Disorders: Epidemiology

Trauma- and stressor-related disorders were first defined as a separate category of mental health disorders in the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition (DSM-5), published in 2013. The trauma- and stressor-related disorders include adjustment disorder, acute stress disorder (ASD), posttraumatic stress disorder (PTSD), reactive attachment disorder (RAD), and dysregulated social engagement disorder (DSED). These disorders share the requirement that they be preceded by exposure to one or more stressors and that their symptoms represent an adaptive attempt to cope with the stressor that has become a maladaptive source of impairment in the individual’s ability to function in important areas of life. Regarding epidemiology, much less is known about the incidence (i.e., the rate at which a disorder occurs in ...

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