E Cigarettes: Is Vaping Bad for Your Teeth? Delta Dental Of Washington Breathing in someone else's smoke or vape isn't harmless. Secondhand smoke exposure can affect your lungs, brain, and overall health. Protect your families and yourself. Inhalar el humo o el vapor de Health Risks of E Cigarettes and Vaping American Lung Association 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