Secondhand smoke may be a substantial contributor to lead levels found in children and adolescents, new study finds In secondhand vape, scientists smell risk American Heart Association Avoiding Tobacco Smoke and E Cigarette Aerosol Is a Key Part of Asthma Management Asthma and Allergy Foundation of America 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