Is Secondhand Vaping Harmful To Your Health? 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 Can U Get Second Hand Smoke From Vapes What Does Vaping Do to Your Lungs? According to a Centers for Disease Control and Prevention (CDC) study, 40% of U.S. adults believe that children's exposure to secondhand aerosol from e cigarettes causes only some or little harm, and 5% Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association