Landmark E Cigarette Report Explodes Myth that Vaping Is as Toxic as Smoking Smoking vs. Vaping Vapes vs. Cigarettes IQOS UK 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 Chart: Teenagers Two to Three Times More Likely to Vape Than Smoke Statista Is vaping safer than smoking? Dr Colin Mendelsohn Vaping Versus Smoking: Are Electronic Cigarettes the Savior? Arteriosclerosis, Thrombosis, and Vascular Biology