哭泣会导致流鼻涕，这是因为眼睛的自然引流系统会将泪水导向鼻腔。当情绪性泪水增加时，这个系统可能会不堪重负，导致过多的液体与鼻腔粘液混合。此外，自主神经系统在强烈情绪状态下会导致鼻腔内壁肿胀和粘液分泌增加，进一步加剧鼻塞和“鼻塞”感。泪管的个体解剖差异也会影响这种回流发生的快慢，解释了为什么有些人哭泣时流鼻涕会更明显。 AI
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生物学家解释为什么哭会流鼻涕
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报道来源 [1]
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为什么哭会流鼻涕？生物学家解释“丑哭”现象
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