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如果我们在搜索引擎输入“肚脐”，会发觉有的百科的这个词条一开始就是所谓“通过肚脐形状辨病”的内容，比如“肚脐向上延长，几乎成为一个顶端向上的三角形的人可能有胃、胆囊、胰脏问题，肚脐偏右可能是肝炎、十二指肠溃疡”云云，还说这是“医生根据临床经验发现的结果”。
看完本文前两部分的读者应该已经明白，靠肚子上一个没有任何实际功能的小坑来诊断疾病，是一件非常不靠谱的事情。虽然词条中也有“当
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