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    关于致癌之说

    最近新西兰的羊肉又搞得全世界沸沸扬扬.一直就有一个疑问:癌症的致病原到底是什么?如果说,现在的医学还搞不懂癌症是怎样来的,又凭什么就指责这样那样的东西可以致癌呢?!把有史以来公布的所有可能致癌原因罗列起来,恐怕连空气都榜上有名,那我们是不是每天就不要呼吸了?我知道,有人说摄入过多致癌物可以增加患癌机率,可还又有人说癌症是DNA缺陷。。。请科学家们审慎一些吧,先弄明白癌症的真正诱因,再公布名单也不迟。搞得大家吃肉都吃不舒坦,别提庆祝圣诞了:(((

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