Researchers Warn of Potential Harm From E Cigarette Secondhand Vapor AZPM 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 Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America Health effects of electronic cigarettes Wikipedia Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA