Vaping: Understanding the Risks and Impacts on Health 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 Children at risk: Emory study uncovers the hidden dangers of secondhand vape exposure