Vaping vs Cigarettes Health Impacts Compared 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 Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC Why Vaping is Dangerous, Especially for Children with Asthma The National Environmental Education Foundation (NEEF) E Cig Vapor Or Secondhand Smoke: Which Is Worse For You? Is vaping worse than smoking a cigarette? Fedhealth Medical Aid