Does Vaping Cause Lung Cancer? 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 Health Risks Of E Cigarettes Versus Traditional Cigarettes Henry Ford Health Detroit, MI Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica