Vaping might be more dangerous than smoking New York Post Vaping exposes users to harmful levels of particulate matter, study suggests 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 Vaping: How E cigs Work (Infographic) Live Science Disposable E Cigarettes More Toxic Than Traditional Cigarettes UC Davis