Race/Ethnicity Differences between Alcohol, Marijuana, and Co-occurring Alcohol and Marijuana Use Disorders and Their Association with Public Health and Social Problems Using a National Sample

Background: Alcohol and marijuana are commonly used and misused in the United States, both singly and together. Despite this, few studies examine their co‐occurring use and the corresponding association with public health and other problems. Moreover, there is a lack of investigation into differences in these associations on the basis of race/ethnicity. Methods: The present study estimated the frequency of alcohol use disorder, marijuana use...