In secondhand vape, scientists smell risk American Heart Association Secondhand smoke may be a substantial contributor to lead levels found in children and adolescents, new study finds Secondhand smoke and secondhand aerosol 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 Solving secondhand "vape smoke" at workand at home