PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers The Side Effects and Cancer Risk Associated with Vaping 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 Archived Commentary Facts And Figures: E Cigarette Risk Perception And The Us Evali Outbreak Global Action to End Smoking Lung cancer risks persist with e cigarette use after quitting tobacco smoking The research looked at the chemical composition of "vape smoke" and assessed its cancer risk using data from published animal studies. Read more