Could second hand marijuana smoke make you fail a drug test? Forensic Fluids Laboratories Despite widespread smoke free policies in California, rates of recent exposure to secondhand tobacco smoke, vape aerosol, and cannabis smoke among adults aged 1864 have been slowly increasing since 2020, with vape exposure Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Surface Detection of THC Attributable to Vaporizer Use in the Indoor Environment Scientific Reports Vaping (e Cigarette, Marijuana) Facts, Health Risks, Mental Health, Cough, Addiction