E Cigarettes Promote Macrophage Tumor Cells Crosstalk: Focus on Breast Carcinoma Progression and Lung Metastasis 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 Similar DNA changes found in cells of both smokers and e cigarette users UCL News UCL University College London Lung cancer risks persist with e cigarette use after quitting tobacco smoking The Side Effects and Cancer Risk Associated with Vaping