Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA 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