What You Need to Know About Vaping Why Youth Vape Smoking and Tobacco Use CDC What is Vaping? Learn About Electronic Cigarettes CASAA 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 Electronic Cigarette Toxicity Overview and Recommendations (Project VECTOR) Intrepid Lab Why do People Vape? 10 Main Reasons