Vaping: not a safe alternative to smoking, new study suggests, and it may be more harmful to health than tobacco in normal cigarettes South China Morning Post While vaping is not risk free, it is less harmful than tobacco Our World in Data Is Second hand Vape Smoke Harmful Is Secondhand Vape Smoke Bad for You? Vaping is less harmful than smoking, experts say. Why don't smokers know this? Scienceline Vaping Slows Wound Healing Just as much as Smoking The Brink Boston University Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center