Does Vaping Cause Oral Cancer? Portland Perio Implant Center Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society Lung cancer risks persist with e cigarette use after quitting tobacco smoking 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 Dangers of Vaping: Why E Cigarettes Are Harmful to Health Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk