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 smoke and secondhand aerosol Can you get second hand smoke from a vape Effects of Secondhand Smoke: Dangers, Prevention, and More If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs. How Smoking vs. Vaping Affects the Eyes