Secondhand Smoke and Electronic Cigarette Aerosols US EPA The Dangers of Vaping and Second Hand Smoke to Children More children are being poisoned by e cigarette liquids. Here's what parents need to know 5 Vaping Facts You Need to Know Johns Hopkins Medicine 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