只是因为吸烟人的大意而使受被动吸烟危害的范围传播得更广泛。若以受害的对象来说,从胎儿直到成人;若以其内容来看,从关系到健康直到扩展到心理上的影响。由这些意义来考虑,关于被动吸烟的问题,有必要从更广大的角度来分析观察。最关心的问题仍然它与肺癌的关系。应探讨它在质上的问题(即被动吸烟成为 It is only because of the smoker’s intent that the scope of passive smoking is more widely spread. If the victims of the object, from the fetus to adults; if the content of its perspective, from the relationship between health until extended to the psychological impact. In these senses, it is necessary to analyze the observations from a wider perspective on the issue of passive smoking. The most concern is still the relationship between it and lung cancer. Its qualitative question should be explored (ie passive smoking becomes)