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Nature Immunol

November 9, 2012

revealed that electronic cigarette use among young people in public schools was associated with future cigarette use during the three-wave period (2013, 2014 and 2015), whereas cigarette use was not associated with future electronic cigarette use.19 In contrast, according to large-scale surveys and cross-sectional analyses of randomised controlled trials, the majority of electronic cigarette users perceive these devices as a tool to quit regular tobacco smoking.20,21 How do Electronic Cigarettes Work

What nicotine strengths are available

So he downloaded the dataset available on the CDC site and used his platforms technology to crunch the numbers himself