RecruitingPhase 1Drug trialThe Effects of Cannabidiol on the Driving Performance of Healthy Adults by Dose and SexThe objectives/purpose of this study are to comprehensively investigate the effects of non-prescription CBD on driving performance, drowsiness, sedation, and cognitive function in a large sample of healthy adults aged 18-30 years, with additional characterization of effects by dose and by sex, using a rigorous RCT design which will naturally mitigate confounding factors.