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 Smoke vs Vape: What the Science Says Did you know Loyola is a smoke free campus? Since 2019, Loyola's campus has been smoke and vape free! In order for us to remain a smoke and vape free campus, Is Secondhand Vaping Harmful To Your Health? Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Tobacco Smoke, Vaping, and Asthma AAFA.org