Many adult smokers still aren't aware of the full range of evidence based alternatives available to them. Recent UK research shows that misperceptions around the relative risks of vaping have reached record levels, Vaping vs Smoking vs IQOS: Which is Least Harmful? Vaping is less harmful than smoking, experts say. Why don't smokers know this? Scienceline E cigarettes contain hazardous substances, addictive and harmful The dangers of vaping Baylor College of Medicine Blog Network