Juul study shows secondhand vaping emissions are less toxic than cigarette smoke 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 e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC7 Chicago Secondhand Smoke Vermont Department of Health Is Secondhand Vape Smoke Bad For Pregnancy? Experts Explain The Risks