Can You Get Secondhand Smoke From a Vape or E Cigarette? Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals 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 Secondhand Vape Exposure: Effects, Who's at Risk, and More Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA