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【科普营养】写在你脸上的5种营养素缺乏症
肤色苍白可能表明要增加维生素B12的摄取了。维生素B12缺乏容易导致贫血、神经系统和皮肤黏膜受损的营养缺乏性疾病,也会增加疲劳的感觉,还有另一个明显的征兆是完全光滑无苔的舌头(completely smooth tongue)。
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