Abstract: Warning labels are an important source of health information. This study examined awareness of health warnings on cannabis packages over time in Canada-where large rotating messages are mandated-versus US states with legal adult-use cannabis, which have less comprehensive regulations.Repeat cross-sectional data were collected from the International Cannabis Policy Study online surveys among past 12-month cannabis consumers in Canada and the US (Free recall of ≥1 warning increased to a greater extent in Canada from 2018 (5%; pre-legalization) ...
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