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 PDF) E Cigarettes Versus Nicotine Replacement Therapy for Smoking Cessation: Hajek P, Phillips waller A, Przulj D, et al. A Randomized Trial of E Cigarettes versus Nicotine Replacement Therapy. N Engl J Med. 2019;380(7 ):629637 Quitting Smoking: Can E Cigarettes Help? The New York Times Proposed Law Raises Legal Age To Buy Tobacco, Nicotine Products To 21 In Denver CBS Colorado