“Even before “Prevalence of vaping and smoking among adolescents in Canada, England, and the United States: repeat national cross sectional surveys” had completed its peer review process, University of Waterloo Professor David Hammond took to telling the world’s media about “a disturbing trend in Canadian teen vaping rates”. He presented his findings at a meeting of the federal Scientific Advisory Board on Vaping Products when it met on Nov.19. There were six or seven Health Canada officials in the room. People may wonder how hard Hammond looked at the data to see if it wasn’t true, as he ran off before publication to present his findings at the next meeting of the federal Scientific Advisory Board on Vaping Products, speaking to several Health Canada officials. It marked a seismic shift in Canada’s approach to tobacco harm reduction. It turns out he was totally wrong, they weren’t true. “
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