Doctor shows x ray of 'popcorn lung' caused from vaping and it can be fatal What Does Vaping Do to Your Lungs? Johns Hopkins Medicine This is a comparison of what a healthy human lung looks like compared to a #smokers lung. We want to help you quit #smoking by giving a free vape in order to # Vaping has now been directly linked to rare and irreversible lung disease. A U.S. teenager has been diagnosed with bronchiolitis obliteranscommonly known as ""popcorn lung""after three years of vaping flavored e cigarettes. This