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 Second hand smoke from e cigarettes 'poses NO risk to the public' Daily Mail Online Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record The risks of first hand and second hand vaping Eoleaf