Cardiopulmonary Impact of Electronic Cigarettes and Vaping Products: A Scientific Statement From the American Heart Association Circulation 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 Health effects of electronic cigarettes Wikipedia Put Down the Vape: Even Tobacco Free E Cigarettes Might Damage DNA Study finds ecigs may cause as much DNA damage as unfiltered cigarettes Digital Trends A new study has revealed that vaping damaged the DNA of its users in a similar way to smokers who develop cancer. A tea of researchers at University College London found that