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 Second hand nicotine vaping exposure raises risk for bronchitis, breathing problems UPI.com Is Vape Smoke Bad For Second Hand Evidence Mounts About the Health Impact of Second Hand Vaping How Bad Is Second Hand Vape Smoke Secondhand e cigarette aerosols expose kids to less nicotine