Clearing the Air: The Harsh Reality of Vaping and Smokeless Products Leading to Cancer The Sooner Smokers Quit Smoking the More Their Cancer Risk is Reduced. What About Vaping? Vaping Post 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 Growing the research evidence on e cigarettes by Research at CRUK Medium Can vaping cause cancer? The evidence suggests it might. The Washington Post