In a comprehensive analysis of existing studies, the U.S. National Academies of Sciences, Engineering, and Medicine concluded that electronic cigarettes are addictive, though less toxic than conventional cigarettes. The report also identified key areas for future research, including smoking cessation, adolescent use, and long-term health effects.

中文翻译：

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电子烟报告揭示了研究差距

在对现有研究的综合分析中，美国国家科学，工程和医学研究院得出的结论是，电子烟具有成瘾性，尽管毒性不如传统香烟。该报告还确定了未来研究的关键领域，包括戒烟，青少年使用以及长期健康影响。