Changes in cannabis attitudes and perceptions in the five years following recreational legalization in Canada: Findings from an observational cohort study of community adults

BACKGROUND: Social acceptability and perceived risks/benefits are key attitudinal factors that influence substance use, and a major concern about cannabis legalization is an increase in more favourable attitudes ultimately leading to greater cannabis misuse. This study investigated perceptions of cannabis acceptability and risks/benefits over the 5 years following legalization in Canada, the first G7 nation to have legalized cannabis …