co-occurring alcohol use disorder Up to one-third http://pubs.niaaa.nih.gov/publications/arh26-2/81-89.htm https://pubs.niaaa.nih.gov/publications/arh26-2/81-89.htm mental health conditions National Institute on Alcohol Abuse and Alcoholism https://pubs.niaaa.nih.gov/publications/arh26-2/81-89.htm National Institute of health https://pubs.niaaa.nih.gov/publications/arh26-2/81-89.htm https://pubs.niaaa.nih.gov/publications/arh26-2/81-89.htm NIAAA Nearly one-third of those with major depression one-third of people Almost one third https://pubs.niaaa.nih.gov/publications/arh26-2/81-89.htm https://pubs.niaaa.nih.gov/publications/arh26-2/81-89.htm Comorbidity of Alcoholism and Psychiatric Disorders study