Secondhand Smoke and Electronic Cigarette Aerosol Resources US EPA 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 Does cannabis create thirdhand smoke? Thirdhand Smoke Resource Center Study suggests switching from smoking to vaping indoors may reduce children's secondhand exposure to nicotine Secondhand vape exposure: Risks and side effects HEALTH Does vaping cause secondhand smoke? Doctors explain the side effects: Details below.