E cigarettes can damage your DNA and increase your risk of CANCER, study reveals The Mirror An Overview of E Cigarette Impact on Reproductive Health 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 New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking E cigarettes can damage DNA ecancer E cigarettes cause 'significantly less damage to our DNA than cigarettes'