Other studies have examined alcohol use and problems within those who have a drug use disorder (DUD)14,29 or gambling problem18,30,31, which we review in those sections. Other studies have examined both AUDs and DUDs, but have not reported their co-use or comorbidity11,32–34. We found no studies that examined co-occurrence of AUDs with eating, internet, love/sex, exercise, working, or shopping addictions.