As e cigarette use grows, more research needed on long term effects of vaping American Heart Association Is Vaping as Bad for Your Health as Smoking? Connect Community BCBSIL Juul study shows secondhand vaping emissions are less toxic than cigarette smoke How Smoking vs. Vaping Affects the Eyes Project Filter Secondhand Vape Informational Poster #2 Idaho Health Tools Vaping may be causing irreversible harm to children's health, doctors say Vaping The Guardian