Nicotine formula used by e cigarette maker Juul is nearly identical to the flavor and addictive profile of Marlboro cigarettes : r science Juul to sell lower nicotine vaping pods as FDA probes teen use OPINION: Juuls Rule, Cigs Drool The New School Free Press Report: Juul's e cigarettes to be banned Chinadaily.com.cn How much nicotine is in JUUL? Nicotine absorption from electronic cigarette use: comparison between first and new generation devices Scientific Reports