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2019 has been a divisive year for the vaping industry, with several massive battles going on at the same time. [...] Luckily, a new report out of Harvard University is reaffirming a long-held belief among vapers, that e-cigarettes are an invaluable tool in the fight against tobacco. [...] According to the lead researcher, Dr. Sara Kalkhoran, “This finding suggests that smokers who use e-cigarettes to quit smoking need to use them regularly—every day—for these products to be most helpful.”