Ben Experts are sounding the alarm about the impacts of second hand vaping. They say it may have the same risks as 'passive smoking'. Listen to the President of the Australian Secondhand vape exposure: Risks and side effects How Long Does Second Hand Smoke Stay in Your System Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record Is 2% nicotine a lot? Understanding nicotine strengths Evapo Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect