Is It Dangerous To Breathe In Secondhand Vaping Smoke? Passive Vaping Explained Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center 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 What Does Vaping Do to Your Lungs? Johns Hopkins Medicine