“A cross-sectional, matched control study by researchers at University College London (UCL) has been published in the journal ‘Tobacco Control’. It looked to see if there was an association of between vaping and subsequent progression on to smoking, and also factored in other tobacco product use with smoking in American adolescents. Lion Shahab, Emma Beard, and Jamie Brown conducted the study using data from 78,265 adolescents in the American National Youth Tobacco Survey. The team concluded: “The NYTS showed a continuing decrease in both cigarette smoking prevalence and in the use of any tobacco product, despite a concurrent increase in e-cigarette use between 2014 to 2017. This suggests that any gateway effect of e-cigarettes, if present, must be small. Further, despite e-cigarettes being more commonly used than any other product from 2015 onwards, cigarettes remained the most prevalent initiation product in 2014 and 2015, followed by other combustibles. <1% of adolescents trying an e-cigarette first became established cigarette smokers, significantly fewer than in any other product category.”
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