Second hand vape smoke linked to more asthma symptoms in kids Secondhand e cigarette aerosols expose kids to less nicotine than cigarettes, study finds, but can still be risky CNN Do electronic cigarettes create thirdhand chemical residue? Thirdhand Smoke Resource Center Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record Is Second Hand Vapor from E Cigarettes Dangerous? [Infographic] The Local Brand