Vaping craze: How China made vapes make their way to the hands of children in Australia The Impact of Thirdhand Smoke on Kids Johns Hopkins Medicine Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect Do Vapes Have Second Hand Smoke Do electronic cigarettes create thirdhand chemical residue? Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Smart vapes' with games could lure youths, experts say Los Angeles Times