E cigarette smoke damages DNA and reduces repair activity in mouse lung, heart, and bladder as well as in human lung and bladder cells PNAS Vaping and Cancer: Key Questions Answered 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 Vaping likely to cause cancer: new findings The pros and cons of e cigarettes revealed Study: Vaping Causes DNA Damage in Human Cells and Mice The Scientist