Secondhand Smoke Social Media Message Library Tobacco Education Clearinghouse of California It's Not Just Cigarettes: Vape Residue Sticks on Surfaces Too Thirdhand Smoke Resource Center 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 Health Risks of Secondhand Smoke and Aerosols Factsheet US EPA