Secondhand e cigarette vape smoke exposure increased in last 4 years, contain harmful toxins: JAMA Network study ABC7 Chicago In secondhand vape, scientists smell risk American Heart Association Vaping Around Babies How Secondhand Vapor Smoke Can Harm Kids When someone vapes around others they expose them to 'second hand aerosol'. But what happens to that aerosol then? Does it disappear or is it like cigarette smoke and stays around, sticking to Study finds secondhand smoke may be source of lead exposure in children, adolescents Vital Record