PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers Why Are E Cigarettes Safer Than Cigarettes Vape Blog E Cigarette or Vaping Associated Lung Injury New England Journal of Medicine 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 Does Vaping Cause Lung Cancer? Research and Facts