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 According to the American Heart Association, the risks of secondhand smoke from vapes are still being discovered. Learn about the dangers of secondhand smoke from vapes. E Cigarettes (Vapes) Smoking and Tobacco Use CDC Secondhand vape exposure: Risks and side effects Secondhand smoke and secondhand aerosol