Health effects of exposure to second and third hand marijuana smoke: a systematic review CMAJ Open Do you think your vape has something in it that it shouldn't have? WEDINOS offers a free, anonymous postal testing service so you can find out whether your vape contains other Surface Detection of THC Attributable to Vaporizer Use in the Indoor Environment Scientific Reports Did you know? Some vape products have been tied to seizures and even found laced with fentanyl. One puff from a contaminated cartridge can be deadly. Keep yourself and our Secondhand vape exposure: Risks and side effects Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect