Complete Guide to Secondhand Vaping Devices Vape Direct How secondhand smoke, thirdhand smoke & vaping affects kids 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 vape can trigger your child's asthma attacks. Smoking and vaping are unhealthy for everyone but especially harmful for people with asthma. Whether at home, in the car, or 5 Vaping Facts You Need to Know Johns Hopkins Medicine