Vapes in Disguise: How Students Hide Vaping at School SmartPass 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 Quit it! From vaping to doomscrolling, 10 bad habits and how to break them Health & wellbeing The Guardian Vaping releases toxic chemicals, including heavy metals, as well as ultrafine particles that go deep into the lungs. These increase the risk of heart and lung disorders.