Timeline of Lung Recovery After Quitting Smoking Vaping related lung damage cases on the rise locally Health experts warn that flavored e cigarettes may lead to permanent lung damage. A U.S. teenager was diagnosed with "popcorn lung" after covertly vaping for three years, resulting in a lifelong, debilitating condition. Vaping or Smoking Which is More Dangerous for your Lungs? CritiCare Hospital 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.