Electronic cigarette smoke could damage your DNA E cigarettes cause 'significantly less damage to our DNA than cigarettes' E cigarettes: 'cancer risk close to zero' The Mail & Guardian E cigarettes may harm DNA and cause cancer Science, Climate & Tech News Sky News Vaping likely to cause lung and oral cancer, Australian researchers find in new review of evidence Vaping The Guardian 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