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 Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids Secondhand smoke from vaping could be harmful to children: study ABC13 Houston Secondhand exposure to vaping can cause serious respiratory issues study The Jerusalem Post Secondhand smoke and secondhand aerosol Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics