Is passive vaping a hidden risk to the public? Here's what the experts know so far ABC News Is Secondhand Vape Smoke Harmful Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor Study shows second hand vaping exposure very low compared to second hand smoking Evidence Mounts About the Health Impact of Second Hand Vaping Bisnar Chase More middle and high schoolers are getting exposed to secondhand vape aerosols, study indicates The Boston Globe Know the risks for secondhand and thirdhand vape exposure. A 2022 study, found that symptoms of secondhand vape exposure can include: shortness of breath bronchitis symptoms popcorn lung, which is a condition