Secondhand smoke and secondhand aerosol 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 Second hand Smoke City of Hamilton Second Hand Vaping: Minimal Impact Compared to Smoking Effect of second hand fumes from vaping on young lungs Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center