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lao nian xing er long bing yin xin shuo
Author(s): 
Pages: 18
Year: Issue:  1
Journal: Health World

Abstract: 随着年龄增长,身体各部位的组织器官表现出不同程度的老化,听觉系统出现的感音神经性聋称为老年性聋。老年性聋的出现没有统一的年龄界限,敏感者中青年时即可发病,随年龄增长逐渐加重,也有的人到古稀之年仍不耳聋。正常人的听力30岁时最佳,此后缓慢下降,50岁以后听力开始自觉减退,65岁以后的听力减退者占72%,听力随年龄增长而逐渐减退是不可避免的老年变化之
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