Teenager suffers collapsed lung after vaping left him unable to breathe and coughing up blood ITV News Granada Coughing When Vaping: Understanding and Overcoming the Challenge selbyvapes Popcorn lung" is the nickname for bronchiolitis obliterans. It is a condition that damages your lungs' smallest airways and makes you cough and feel short of breath. It's sometimes caused by breathing Another Gross Reason to Put Down the E Cigarettes American Lung Association