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 Vaping Cause Lung Cancer? What We Know (and Still Don't) Secondhand Exposure to E Cigarettes Puts COPD Patients At Risk Respiratory Therapy Vaping and Asthma: Safety, Side Effects, and Research