Shocking Public Health England Video PROVES Vaping Is Less Harmful Than Smoking Ecigclick What Does Vaping Do to Your Lungs? Johns Hopkins Medicine 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 Vape Lungs Vs Smoker Lungs Does vaping cause lung cancer? The Difference Between Healthy Lungs and Smoker's Lungs