Secondhand vape exposure: Risks and side effects Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center 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 Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America