Dr. Tim Dewhirst - MCS Faculty in the CBC news.  Unlike the US, Canada has strict restrictions on where and who tobacco companies can target their advertisements towards.  However Canadian youth have access to American media that allows these advertisements more freely then Canadian standards.   "This is a notable loophole or concern just because the majority of media that we do consume in Canada is American in content" (Dewhirst).  Full article from CBC News. [1]