E cigarette users are exposed to potentially harmful levels of metal linked to DNA damage UCR News UC Riverside E Cigarettes May Damage DNA in Oral Cells Sable Industries Inc. Vaping and the Brain: Effects of Electronic Cigarettes and E Liquid Substances The Journal of Neuropsychiatry and Clinical Neurosciences Vaping and the use of e cigarettes are likely to cause cancer, according to a new study published by the University of New South Wales on 30 March. The study, which brought together Cigarette Smoke and Weak DNA Repair: A Double Hit Behind Lung Cancer Risk Oncotarget.org