Which of the following disorders is theorized to share biological roots with Obsessive Compulsive Disorder, because the two disorders are often comorbid and may share a common environmental trigger?

Question

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Tourette's syndrome is often comorbid with OCD, and both disorders are thought to involve abnormalities in the same neural circuitry. It has been suggested that a common environmental trigger may contribute to the development of both disorders. There is less evidence to support a link between OCD and the other disorders listed.

Which of the Following Disorders Is Theorized to Share Biological