Research Letter Introduction Research on the implications of menthol cigarette bans is crucial to inform evidence-based decision-making and policy changes.1,2 In Canada, a series of provincial bans were implemented starting in May 2015, until a feder

Abstract Background and Aims The province of Ontario, Canada, banned the use of menthol-flavored tobacco products as of January 1, 2017. This study aims to assess the longer-term impact of a menthol ban on smoking behavior at 2 years, which is unknow