What Does Vaping Do to Your Lungs? Lung Injury MedStar Health New lung scans prove vaping is toxic. The science is officially in. Scans show that teens have developed "popcorn lung" as a result of vaping. It's a permanent, chronic disease that shortens Vaping might feel safer than smoking but what's really happening inside our lungs? The EVALUATE study led by the @unibirmingham will be the first to track ex smokers over a whole year Vaping Marijuana Causes More Lung Damage Than Vaping or Smoking Nicotine Curious about the difference between healthy lungs and a vaper's lungs? See how vaping impacts your lungs, and why it's best to quit early.