Does Vaping Cause Lung Cancer? Research and Facts Smoking has long been known as a major cause of lung cancer, but now, even vapes and e cigarettes are contributing to the risk. This World Lung Day, let's raise awareness and make Vaping and Lung Cancer Screening: Reduced Rates Among Vapers Revealed AJMC DVIDS News Lung Cancer Awareness Month offers chance to think about smoking, cancer risk PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers