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Obsessive-Compulsive and Related Disorders: Risk for

Obsessive-compulsive and related disorders (OCRDs) are a group of disorders that share several common characteristics, including the presence of obsessive preoccupation with various targets and/or repetitive behaviors. Understanding the risk of developing these disorders involves investigating genetic, biological, environmental, and psychological factors that may increase or decrease the likelihood of developing a particular OCRD.

Factors that increase the chance that an individual will develop an OCRD are called risk factors. Studies generally conclude that no one risk factor causes the development of an OCRD; it seems that there are multiple and complicated risk factors across these disorders. Risk factors have generally been broken down into biological risk factors (e.g., genetics, brain circuitry) and a variety of psychological and environmental risk factors (e.g., traumatic life events). The ...

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