Vaping and how it affects lung function ndd Medical E cigarettes, vapes, juul, extwhatever you call them, they are not a better alternative to smoking. They still contain toxic chemicals that cause severe lung diseases. Start your quit plan today by call 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 What COPD Patients Should Know About Vaping and E Cigarettes LPT Medical