Full article: Disposable electronic cigarettes chemical composition and health effects of their use. A systematic review E cigarettes are not a healthier alternative to cigarettes. They contain nicotine and many harmful ingredients that can cause cancer and heart disease. Since these products are relatively new, we don't know all First epidemiological evidence linking e cigs to cancer in people Stanton Glantz blog Cigarette lectronique et Cancer : Ce qu'il faut savoir Prevalence of cigarette and e cigarette use among U.S. adults eligible for lung cancer screening based on updated USPSTF guidelines ScienceDirect