E cigarette exposure on the rise in young children: 6 things parents should know Michigan Medicine Residue left by vapes can pose health risk to young children 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 If you vape, you inhale a lot of harmful substances. These can damage your heart and lungs.