When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Early research says secondhand smoke from vaping may not be as bad as cigarettes, but it's still not harmless. https: fox59.com news national world does vaping cause secondhand smoke doctors explain the side effects Secondhand exposure from vaping marijuana: Concentrations, emissions, and exposures determined using both research grade and low cost monitors ScienceDirect Our plans to protect future generations from the harms of tobacco and nicotine are back in Parliament this week. The Tobacco and Vapes Bill will help: children avoid a lifetime of Debunking 7 Myths About Secondhand Smoke