How Bad Is Second Hand Vape Smoke Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky Can You Get Secondhand Smoke From Vapes Stay In The Air Is Secondhand Vape Smoke Harmful ? () Although often promoted as safer than traditional cigarettes, e cigarettes still harm the body in many ways. 1. Health Risks Most vapes contain nicotine, How secondhand smoke, thirdhand smoke & vaping affects kids The Issues of Testing for Secondhand Smoke. Indoor Science 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