A scientific review has raised fresh concerns about the long term cancer risks of vaping, concluding that e cigarettes are probably carcinogenic, while also acknowledging significant gaps in the evidence. The analysis of reviews E Cigarettes Vaping with Juul & Other Electronic Cigarettes Lawsuit filed over FDA's delay of e cigarette review Vaping companies sue to delay U.S. e cigarette review Los Angeles Times Blu e Cigs Review PCMag