Vaping: Safe? Or Are Your Lungs Going Up In Smoke? How Long Can You Smell Vape Smoke On Someone Do Vapes Smell? How Strong It Is and How Long It Lasts Experts reveal how long lungs take to heal after vaping and explain when damage becomes permanent, guiding people toward better health decisions. What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Can vaping damage your lungs? What we do (and don't) know Harvard Health