Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Second hand vape smoke linked to more asthma symptoms in kids Juul study shows secondhand vaping emissions are less toxic than cigarette smoke HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below. Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects