Determining the impact of cannabis use on tobacco cessation: Results from a prospective non‐randomized tobacco treatment trial

Abstract Background and aims: Tobacco‐cannabis co‐use is associated with increased psychosocial and health harms; however, the treatment literature assessing the impact of co‐use has been mixed and suffers from critical limitations. To date, no prospective studies have evaluated the degree to which cannabis co‐use affects tobacco cessation, nor are there treatment recommendations for those who co‐use. The goal of this study was to evaluate and quantify the impact of cannabis co‐use on tobacco cessation through a 12‐week prospective tobacco cessation