Are psychiatric reactions induced by trauma or other life stressors associated with subsequent risk of autoimmune disease?

A Swedish research study published on JAMA in 2018 reported, that stress-related disorders (stemming either from physical or psychological trauma) were significantly associated with risk of subsequent autoimmune disease (40% compared to control group) and 300% more compared to unexposed individuals.

Read: Song H, Fang F, Tomasson G, et al. Association of Stress-Related Disorders With Subsequent Autoimmune Disease. JAMA. 2018;319(23):2388–2400. doi:10.1001/jama.2018.7028