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 Smoking and cancer Fresh Researchers now warn that nicotine based e cigarettes are likely carcinogenic, meaning they have the potential to cause cancer, specifically in the lungs and mouth. Learn more in our weekly news roundup. https: t.co i4xGiCxD0t Research shows vaping is far less harmful than smoking Tobacco and Cancer Cancer CDC Evidence update on the cancer risk of vaping e cigarettes: A systematic review