When you're hoarse, sending a voice message, presenting a project at a meeting, dictating an address to your car's navigation system, or simply having a phone call can be difficult."We're a ...

鼻窦炎的鼻涕通常是多且粘稠。一方面“分泌增多”，另外一方面“引流不畅”。分泌增多原因之一是黏膜物理屏障破坏（连接上皮细胞的紧密连接蛋白表达下调或功能异常）；引流不畅原因之一是黏液纤毛清除功能障碍。