Secondhand Smoke and Electronic Cigarette Aerosols 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 Can You Actually Get a Contact High? Green Goods Secondhand Smoke vs Vape: What the Science Says Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA Second hand vaping exposure very low compared to second hand smoking UCL News UCL University College London