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 Secondhand Smoke and Secondhand Vaping: Both Bad for Kids University Hospitals Secondhand vape plumes could form lung damaging radicals American Chemical Society Don't Be Fooled, E cig Aerosol Is Not Harmless for Kids American Lung Association