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 Should I Be Concerned About Secondhand Vaping? Secondhand vape exposure detectable in children's saliva, breath Contemporary Pediatrics Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC