Report highlights link between substance abuse and mental illness.

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The National Institute on Drug Abuse (NIDA) has released a report summarizing the latest research on the relationship between substance abuse and other mental disorders.

The report, Comorbidity: Addiction and Other Mental Illnesses, describes common factors that can lead to comorbidity, including genetic and gender vulnerabilities, the involvement of similar brain regions, and the influence of developmental factors. It discusses how comorbidity can be diagnosed and treated, describes some of the challenges of treating these conditions concurrently, and provides several examples of behavioral therapies tested in patients with comorbid conditions.

For the past 20 years, national surveys have documented the high prevalence of drug abuse among individuals diagnosed with other mental illnesses and vice versa. For example, studies show that people diagnosed with mood or anxiety disorders are about twice as likely to also...

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