Secondhand vape smoke may damage lung tissue AirQualityNews Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect Does Vaping Cause Secondhand Smoke? Can You Get Secondhand Smoke From Vapes Secondhand vaping may pose risk to your kids: New study More middle and high schoolers are getting exposed to secondhand vape aerosols, study indicates The Boston Globe