E cigarette vapor linked to cancer in mice National Institutes of Health (NIH) Two top cancer organizations highlight how e cigarettes are linked with early steps in cancer development and call for flavor bans : r science Growing the research evidence on e cigarettes by Research at CRUK Medium Does Vaping Doesn't Damage Your DNA? Prof. Peter Hajek Responds Ecigclick Lung cancer risks persist with e cigarette use after quitting tobacco smoking A comprehensive review of recent peer reviewed research provides the strongest evidence to date that using electronic cigarettes likely causes both oral and lung cancers in humans. https: modernsciences.org vaping likely causes oral lung cancer april