Importance Psychiatric reactions to life stressors are common in the general population and
may result in immune dysfunction. Whether such reactions contribute to the risk of
autoimmune disease remains unclear. Objective To determine whether there is an
association between stress-related disorders and subsequent autoimmune disease. Design,
Setting, and Participants Population-and sibling-matched retrospective cohort study
conducted in Sweden from January 1, 1981, to December 31, 2013. The cohort included …