Toxic Metals in E cigarettes Lead to Oxidative DNA Damage StressMarq Mechanisms of E Cigarette Vape Induced Epithelial Cell Damage How Tobacco, Vaping, and Smokeless Products Affect Cancer Risk E cigarettes: Facts, stats and regulations A young woman says doctors diagnosed her with lung cancer after years of heavily using disposable vapes, adding to growing fears around the long term health effects of vaping. According to the report, Smoke from e cigarettes 'damages DNA and can increase cancer risk' The Irish Times