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 Experts Warn About the Lifetime Effects of Secondhand Smoke in Children CardioSmart American College of Cardiology Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Harmful When Pregnant Second hand Vaping Exposure Very Low Compared To Second hand Smoking A Thing