(Abstracted from N Engl J Med 2024;390:601–610 In a recent systematic review of randomized controlled trials (RCTs), e-cigarettes were found to be more effective for tobacco smoking cessation than nicotine replacement therapy (NRT). Yet, limited evidence exists on the safety and efficacy of e-cigarettes over standard-of-care cessation counseling and their ability to relieve respiratory symptoms like cough and phlegm compared with quitting tobacco cigarettes.
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Auer et al. (2024) studied this question.