Understanding the Hidden Health Risks of Vaping UL Research Institutes Vaping Indoors and How it Contributes to Sick Home Syndrome Bactronix Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Second hand vape smoke linked to more asthma symptoms in kids Secondhand Vape Exposure: Effects, Who's at Risk, and More Vaping and cystic fibrosis