What Happens When You Quit Smoking and Start Vaping? Your lungs can't tell the difference between smoking and vaping Vaping can scar your lungsand the long term damage? Still not fully known. Comment LUNG and we'll DM you a video Does vaping cause lung cancer? UT MD Anderson How E Cigarettes Affect Your Lungs: Results of an Online Survey of Users E Cigarette Direct Health Effects Vaping Information, Solutions & Interventions Toolkit Stanford Medicine The combination of propylene glycol and vegetable glycerin e cigarette aerosols induces airway inflammation and mucus hyperconcentration Scientific Reports