Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Does Vaping Cause Lung Cancer? Is Vaping Better Than Smoking? American Heart Association While vaping is not risk free, it is less harmful than tobacco Our World in Data Is Vaping Bad For You? Side Effects, Risks, Nicotine, Marijuana No, vapes aren't 95% less harmful than cigarettes. Here's how this decade old myth took off