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 Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Secondhand Smoke Contra Costa Health Parents' second hand marijuana smoke may cause colds in children New Scientist