Latest Cochrane Review finds high certainty evidence that nicotine e cigarettes are more effective than traditional nicotine replacement therapy (NRT) in helping people quit smoking Cochrane Nicotine Levels and Choosing What's Best for YOU! Vaping toolkit Juul Pod Cigarette Equivalent Nicotine formula used by e cigarette maker Juul is nearly identical to the flavor and addictive profile of Marlboro cigarettes : r science