JUUL electronic cigarette products linked to cellular damage UCR News UC Riverside FDA warns Juul, says it marketed vapes as less harmful than regular cigarettes without agency authorization The Washington Post Vaping is more harmful than cigarettes. Don't be fooled. One vape pod has as much nicotine as 50 cigarettes, damaging your lungs, brain and heart. Stop vape. Don't wait. Get help to FDA lifts ban on Juul Labs vaping products pending further scientific review