A viral simulation comparing the effects of smoking and vaping has reignited debate over the long term health risks of both habits. The demonstration visually shows how cigarette smoke leaves thick tar buildup Tobacco Smoke, Vaping, and Asthma AAFA.org Vapes vs Cigarettes: Which One is More Deadly? Atlus Just How Harmful Is Vaping? More Evidence Is Emerging. The New York Times What Does Vaping Do to Your Lungs? Johns Hopkins Medicine