Health experts say not to 'vape' around children, because the secondhand aerosol (it isn't vapor) from e cigs isn't safe for them Kentucky Health News Does Vaping Cause Secondhand Smoke? 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 Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Secondhand Electronic Cigarette Aerosol and Indoor Air Quality US EPA