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    I had an experience some years ago, which taught me something about the ways in which people make a bad situation worse by blaming themselves. One January, I had to hold two funerals on successive days for two elderly women in my community. Both had died “full of years”, as the Bible would say. Their homes happened to be near each other, so I paid condolence(吊唁) calls on the two families on the same afternoon.

    At the first home, the son of the deceased(已故的)woman said to me, “If only I had sent my mother to Florida and gotten her out of this cold and snow, she would be alive today. It's my fault that she died.” At the second home, the son of the other deceased woman said, “If only I hadn't insisted on my mother's going to Florida, she would be alive today. That long airplane ride, the sudden change of climate, was more than she could take. It's my fault that she's dead.”

    You see that any time there is a death, the survivors will feel guilty. Because the course of action they took turned out bad, they believe that the opposite course would have turned out better. After all, how could it have turned out any worse?

    There seem to be two elements involved in our willingness to feel guilty. The first is our pressing need to believe that the world makes sense, that there is a cause for every effect and a reason for everything that happens that leads us to find patterns and connections both where they really exist and where they exist only in our minds. The second element is the view that we are the cause of what happens, especially the bad things that happen. It seems to be a short step from believing that every event has a cause to believe that every disaster is our fault. The roots of this feeling may lie in our childhood.

    A baby comes to think that the world exists to meet his needs, and that he makes everything happen in it. He wakes up in the morning and summons the rest of the world to its tasks. He cries, and someone comes to attend to him. When he is hungry, people feed him, and when he is wet, people change him. Very often, we do not completely outgrow that childish view that our wishes cause things to happen.

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                                                                                       不容忽视的“镉大米”
       ①人们总是在食品安全中学习化学知识,两年前“10%大米镉超标”的新闻让人们空前关注起“镉”。而最近“广州超过4成大米镉超标”的报道,更让公众群情激愤。
       ②“镉”究竟为何物?镉是一种重金属元素,在冶金、塑料、电子等行业非常重要。它通常通过废水排入沟渠河流,再通过灌溉污染农作物,水稻是典型的“受害作物”。
       ③根据不同的摄取方式来衡量,镉对人体健康有不同的影响。通过大米等食物摄取的,属于“长期小剂量”。这种情况主要危害肾脏和骨骼。目前,国际卫生组织对镉的安全标准就是基于它对肾脏的危害程度建立的,上限是每周每公斤体重7微克。这个安全标准包括所有的镉来源,除了米饭,还有其他食物和饮水。对于大米,我国的安全标准是每公斤0.2毫克。但这只是一个“控制标准”,并不意味着高于这个值的大米才有害,而低于它的大米就“安全”。此外,我们还要吃其他食物,还要喝水,其中也可能含有镉。对于“镉大米”产区的人来说,镉的其他来源就更不能忽视。
       ④长期食用“镉大米”或其他含镉的东西,容易造成慢性镉中毒。它的症状被命名为“痛痛病”。根据目前的研究,痛痛病主要是由镉对肾脏和骨骼的破坏造成的。镉会在肾脏中累积,最后导致肾衰竭,也会导致骨软化和骨质疏松。长期接触剂量是国际卫生组织安全线3倍以上的镉还可能会导致消化道的障碍。在动物实验中,这种剂量的镉还显示了对生殖和发育系统的影响;对人类是否有同样影响,还没有可靠依据。
       ⑤解决“镉大米” 对人身体健康造成危害的根本途径还是治理工业污染,也迫切需要广泛严格地检测大米以及饮水中的镉含量,并且及时公布与处理。对于消费者来说,保护自己的可行途径是增加食谱的多样化。此外,保证自己的食谱中有充足的钙和维生素D,可能有助于增强对镉的抵抗力。                          

                                                                                                                       (摘自新浪网,有删改)