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 Vaping vs Smoking vs IQOS: Which is Least Harmful? YouTube Cost of Vaping vs Cost of Smoking in the UK RED Box Vape Red Box Vape Vaping vs Smoking How BOTH Harm Your Mouth, Gums & Teeth Many people believe that vaping is less harmful than smoking, but that's a common misconception. In fact, in addition to nicotine, vapes can contain toxic chemicals that could be linked to cancer, E Cigs & Oral Health: How Vaping Affects Gums & Teeth