Secondhand smoke and secondhand aerosol 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 aerosol Secondhand vape plumes could form lung damaging radicals American Chemical Society What is Thirdhand Smoke? Thirdhand Smoke Resource Center Secondhand Vape Exposure: Effects, Who's at Risk, and More