Changes in cannabis attitudes and perceptions in the five years following recreational legalization in Canada

Highlights

•Those not using cannabis pre-legalization showed steeper increases in acceptability.

•Social acceptability of recreational cannabis use has increased since legalization.

•Social acceptability of medical cannabis use declined.

•Regular cannabis use perceived as riskier and more addictive.

•Declines in perceived health-related benefits; increases in health-related risks.