Vapotage : Mme sans nicotine, la cigarette lectronique a des effets ngatifs sur la sant What Does Vaping Do to Your Lungs? Johns Hopkins Medicine Smoking and vaping are often compared, but neither is harmless. While they work differently, both can expose the lungs to addictive nicotine and harmful chemicals that impact breathing and overall health. Smoking Secondhand smoke and secondhand aerosol