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 The link between vaping and COPD: what patients need to know WellMed Medical Group 25% of grade 12 students now #vape in the US. Even with a scarcity of data, we know vaping causes #airway injury. We are heading towards a vaping related #COPD and #lungcancer epidemic Association of electronic cigarette use and risk of COPD: a systematic review and meta analysis npj Primary Care Respiratory Medicine