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 Vaping Disposable Vape Cartridges Menthol 20mg ml Nicotine Ezee E cigarette use to reduce cigarette smoking may not increase nicotine dependence Penn State Health News Nicotine absorption during electronic cigarette use among regular users PLOS One