Smoke and the burnout of muscles: How does smoking cause COPD? 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 Solved Vaping and Smoking RisksUsing an e cigarette offers Chegg.com Chronic obstructive pulmonary disease Wikipedia COPD & Vaping Concerns