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 Vaping and COPD: Is it okay or can it cause more problems? Vaping & COPD Vape Smoke Free 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