Experts reveal how long lungs take to heal after vaping and explain when damage becomes permanent, guiding people toward better health decisions. What vaping does to your body Vaping delivers heated chemicals directly into the lungs. Unlike air, vape aerosols contain fine particles, nicotine, heavy metals, and flavoring compounds that were never designed to be inhaled. Once inside the chest, Can lung damage from vaping heal? Allen Carr's Easyway