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双重隐患:吸烟加雾霾,肺部健康的隐形杀手
雾霾,现代城市化的副产品,成为肺部健康的隐形杀手。尤其是PM2.5等细微颗粒物,能够穿透呼吸道的防线,深入肺部细支气管和肺泡之中,对肺组织造成直接损伤。这些微粒不仅会导致肺泡和肺间质的纤维化,还会削弱肺部的免疫功能,使人体更容易受到外界病原体的侵袭。
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