Vaping cannabis associated with cough, bronchitis and wheezing, study finds CNN Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Secondhand Vape Exposure: Effects, Who's at Risk, and More 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