Second Hand Vaping: Minimal Impact Compared to Smoking Effect of second hand fumes from vaping on young lungs First, Second and Thirdhand Smoke: The Differences and Dangers Tobacco Stops With Me Should I Be Concerned About Secondhand Vaping? 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 Health Problems Caused by Secondhand Smoke Smoking and Tobacco Use CDC