Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Secondhand smoke and secondhand aerosol Department 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 Should I Be Concerned About Secondhand Vaping?