E cigarettes are likely to cause cancer, including in the lungs and mouth, according to a sweeping review of scientific evidence that challenges their positioning as a safer alternative to smoking. There is Cigarette lectronique et sevrage tabagique : quels symptmes ? E cigarettes contain hazardous substances, addictive and harmful Vaping, Environmental Toxicants Exposure, and Lung Cancer Risk Sevrage de la cigarette lectronique : des informations sur Internet insuffisamment lisibles pour tous