Tobacco Smoke, Vaping, and Asthma AAFA.org 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 Is Secondhand Vaping Harmful To Your Health? Secondhand Vape Exposure: Effects, Who's at Risk, and More Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA