Smoking vs Vaping Which is Worse? Smoking: 1. 7,000+ harmful chemicals 2. Causes lung cancer, COPD, heart blockages, strokes 3. Long term, progressive, and deadly Vaping: 1. Marketed as "safer" but misleading VAPING VS. SMOKING Both smoking and vaping have side effects and risks. The long term health effects of electronic cigarettes (e cigarettes) are not fully understood, but the science indicates they are not a Vaping Versus Smoking, Know The Difference Skyline Vape Shop Skyline Smoke Company Blown up in smoke: Young adults who vape at greater risk of COVID symptoms Harvard Health