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吸入有毒蒸气,例如香烟烟雾中的有毒蒸气会导致肺气肿,这是一种不可逆的疾病,可危害肺部功能。肺气肿破坏肺泡和肺泡管。当您的肺失去弹性时,肺泡破裂,形成较大空隙,从而减少人体吸收氧气和清除二氧化碳废物所需的表面积。这可能会导致气短,并逐渐恶化,并导致肺部和心脏受损。