E cigarette or Vaping Use Associated Lung Injury (EVALI) American Lung Association PET imaging shows greater lung inflammation in e cigarette users than cigarette smokers Vaping just once raises oxidative stress levels in nonsmokers, increasing disease risk UCLA What Does Vaping Do to Your Lungs? Johns Hopkins Medicine 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 Health Risks of E Cigarettes and Vaping American Lung Association