What is Thirdhand Smoke? Thirdhand Smoke Resource Center Solving secondhand "vape smoke" at workand at home E cigarettes and Vaping Commercial Tobacco Use MN Dept. of Health 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 Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy