Juul study shows secondhand vaping emissions are less toxic than cigarette smoke 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 Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram Should I Be Concerned About Secondhand Vaping? Is 2nd Hand Vape Smoke Bad Is There 2nd Hand Smoke From Vapes Covid 19