Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice Another Gross Reason to Put Down the E Cigarettes American Lung Association Vaping or smoking impacts those around you., Even passive mist from vapes and smoke from cigarettes can harm others. , Its your choice to vape or smoke but do your friends have a choice too?