New study comes the closest yet to proving that e cigarettes aren't as dangerous as smoking Vaping may increase risk of cancer and heart disease, finds study The Independent The Independent Use of e cigarettes after quitting smoking increases lung cancer risk Cancerworld Magazine E Cigarettes Promote Macrophage Tumor Cells Crosstalk: Focus on Breast Carcinoma Progression and Lung Metastasis How Can Smoking and Vaping Impact Cancer? Urology Care Foundation Preclinical study suggests 'e cigarettes' may promote lung cancer in high risk individuals ecancer