Is vaping an alternative to smoking for COPD patients? VitalAire Canada 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 Study discovers new way vaping could impact your body as warning is issued Vaping' Increases Odds of Asthma and COPD Johns Hopkins Medicine National Emphysema Foundation E cigarettes and Vaping Just As Bad On Lung Health As Cigarettes