What to Know About Smoking, Vaping, Marijuana, and Coronavirus Risk Business Insider Vaping Safety, Smoking, Dangers, Pros, Cons, Debate, E cigarettes, & Tobacco Britannica Is it dangerous to smoke a joint or use a bong? Poison Control Why is smoke harmful to lungs? One small but important reason is particulate matter, which is found in smoke and goes deep into lung tissue when inhaled. Going smoke free and vape free is Are Weed Vape Pens Safe? Vape vs Joints AirVape