Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Vape mouthpieces could be swarming with fungi that harm airways New Scientist Blog What you need to know about the health risks of vaping Main Line Health While smoke and vapor may seem similar, smoke from burning delivers a harmful chemical punch due to its chemical reaction. Explore what's inside both and uncover the differences here: https: www.pmi.com our science the difference between cigarette The Health Effects of Vaping Indoors Indoor Doctor Health effects of electronic cigarettes Wikipedia