Misconceptions about e cigarette safety might be stopping smokers using them to quit Cancer screening adherence among e cigarette users in the United States Exposure to PM2.5 and E cigarette can potentially put you at greater risk of lung cancer . Both exposure to PM2.5 air pollution and e cigarette use are linked to an increased risk of Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk E Cigarettes and Vaping OHSU E cigarettes: 'cancer risk close to zero' Bhekisisa