Vaping was introduced to the public as the modern safe alternative to cigarettes. Advertisements showed clouds of flavored vapor, sleek high tech devices, and young users who believed they were avoiding the devastating PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers E Cigarettes and Vaping Tear Pad Health Edco E cigarette induced lung disease Can Vaping Cause Lung Cancer or Other Diseases? Essentia Health