Second hand nicotine vaping exposure raises risk for bronchitis, breathing problems UPI.com 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 Vape Smoke Effects Vaping Produces Far Less Second Hand Nicotine Than Smoking Vaping Produces Far Less Second Hand Nicotine Than Smoking Respiratory Therapy In secondhand vape, scientists smell risk American Heart Association Vaping weed is popular, but there are many unknowns about its safety : NPR