Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA 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 Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center E Cigs and Second Hand Vaping: Dangers and Protections Juul study shows secondhand vaping emissions are less toxic than cigarette smoke Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN