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春季过敏来袭!流涕、喷嚏不容忽视,背后竟是这些原因?
春天,花粉的季节已经悄然来临,然而,许多人却会疑惑:身边几乎不接触花,为什么还是会出现过敏症状?实际上,致使我们过敏的“罪魁祸首”并不是花,而是风媒花粉。此类花粉主要来自于一些树木,如柏树、杨树、柳树等,它们的花粉颗粒轻,传播距离远,造成了广泛接触。
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