In secondhand vape, scientists smell risk American Heart Association 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 Non Nicotine Vape: A Safer Smoking Alternative Tobacco Smoke, Vaping, and Asthma AAFA.org Secondhand Vape Smoke Effects Vaping Produces Far Less Second Hand Nicotine Than Smoking Second hand nicotine vaping exposure raises risk for bronchitis, breathing problems UPI.com