Second hand e cigarette vapour increases risk of poor respiratory health, study finds Nursing in Practice 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 Secondhand vape exposure: Risks and side effects Is Secondhand Vaping Harmful To Your Health? Tobacco Smoke, Vaping, and Asthma AAFA.org Juul study shows secondhand vaping emissions are less toxic than cigarette smoke