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 Is Second Hand Vape Smoke Bad Is Secondhand Vape Smoke Bad for You? Effects Of Second Hand Vape Smoke Thirdhand Smoke Resource Center Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM