Do E Cigarettes Cause Cancer? E cigarette smoke caused lung cancer in mice ecancer DVIDS News Lung Cancer Awareness Month offers chance to think about smoking, cancer risk How Switching to E Cigarettes After Smoking Cessation Affects Lung Cancer Risk New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking E Cigarettes Promote Macrophage Tumor Cells Crosstalk: Focus on Breast Carcinoma Progression and Lung Metastasis