Does Vaping Cause Lung Cancer? Research and Facts Vaping and smoking together increases lung cancer risk fourfold New Study Shows Vaping Causes Mouth and Lung Cancer What Does the Science Say? This headline is powerful but it needs context. E cigarettes (vapes) expose users to fewer toxins than Does Vaping Cause Lung Cancer? Moffitt Moffitt Vapers May Be Less Likely to Undergo Lung Cancer Screening MedPage Today PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers