E cigarette use is linked to higher heart attack risk, especially in former smokers E Cigarette That Looks Like A Cigarette: The Ultimate Guide SMOKO E Cigarettes 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 Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane