What is Thirdhand Smoke? Thirdhand Smoke Resource Center 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 e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health Vaping: Clearing the Air Baker Institute