Cannabis use frequency, route of administration, and co-use with alcohol among older adults in Washington state
Abstract Background: The US national surveys and data from legal adult use cannabis states show increases in the prevalence of…
William C. Kerr
Contribution of alcohol and drug co-use to substance use problems: Data from a nationally-representative sample of US adults who have never been to treatment
Abstract Aims: Combined use of alcohol with drugs elevates risk for problems including injury and driving while intoxicated. We assessed…