Secondhand smoke and secondhand aerosol Secondhand e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC7 Chicago 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 Aerosols US EPA How secondhand smoke, thirdhand smoke & vaping affects kids