We were shocked': Vaping considerably increases lung cancer risk among people who smoke Most E cigarette Users Ages 18 to 29 Never Smoked Before American Cancer Society E Cigarette Smoke Causes Lung Cancer in Mice NYU Langone News Australian researchers have issued one of the strongest warnings yet about vaping, saying a major review of evidence suggests e cigarettes are likely to cause lung and oral cancer. The review found signs E Cigarette effects on oral health: A molecular perspective ScienceDirect