Obsessive-Compulsive Disorder and Its Cross-Generational Familial Association With Anxiety Disorders in a National Swedish Extended Adoption Study
Findings This population register–based study found that OCD was transmitted from parents to children largely through a genetic relationship, while rearing appeared to play a minor role. OCD and anxiety disorders were moderately genetically correlated, with the genetic correlation being strongest between OCD and generalized anxiety disorder, intermediate with social phobia, and weakest for panic disorder.
Kendler KS, Abrahamsson L, Ohlsson H, Sundquist J, Sundquist K. Obsessive-Compulsive Disorder and Its Cross-Generational Familial Association With Anxiety Disorders in a National Swedish Extended Adoption Study. JAMA Psychiatry. Published online February 01, 2023. doi:10.1001/jamapsychiatry.2022.4777
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