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世界卫生组织指出:控制吸烟对于增进健康、延长寿命,比整个预防医学领域中任何其它单独项目都更为有效。近年来许多国家对于某些场所因吸烟而造成的局部环境污染和被动吸烟的危害问题,已越来越予以高度重视。一些学者对此进行了实验
WHO states that controlling smoking is more effective for improving health and prolonging life expectancy than any other single project in the entire preventive medicine arena. In recent years, many countries attach more and more importance to the problem of local environmental pollution and passive smoking caused by smoking in some places. Some scholars have conducted experiments on this