年龄会带来很多健康困扰，而其中最普遍的就是听力衰退。
Old age brings with it a host of physical woes, and among the most common is hearing loss.
通常会是身边的亲友们最先注意到你的听力衰退，而不是你自己。
Loved ones and friends are often the first ones to notice your hearing loss, not you.
对于以上问题，如果你的肯定回答超过一个，你便可能在经历听力衰退。
If you answer "yes" to more than one of these questions, you might want be screened for hearing loss.
研究了听力衰退的成因之后，研究者们梳理已发表的文章，以期找出可能避免自由基损伤的方法。
After determining the cause of hearing loss, the researchers combed through published literature to see what kind of intervention might stave off free radical damage.
这个研究组研究了一个被牵涉进很多老年疾病中的分子机制，但还没有研究显示其与听力衰退有关。
The team investigated a molecular mechanism that has been implicated in many age-related maladies but had not yet been tied to hearing loss.
或许世界上最著名的音乐家路德维希·凡·贝多芬已完全听不见了，但新的研究表示，实际上学习演奏乐器可以防治听力衰退。
The world’s most famous musician, Ludwig Van Beethoven, may have been totally deaf – but new research suggests learning to play an instrument can actually stop you from losing your hearing.
但是，其他研究却将ipod和MP3的使用与听力衰退联系起来，并且认为许多青少年所使用的音量对听力十分有害。
Other studies, however, have linked iPod and MP3 use to a blunting in hearing, and documented the fact that many teens listen to music at potentially damaging volumes.
研讨人员曾经发现了第一个证据。比起那些从不接触音乐的人来说，终身音乐家很少蒙受由于年龄增长而带来的听力衰退成绩。
Researchers have found the first evidence that lifelong musicians can experience less age-related hearing problems than those who never practiced a tune.
或许世界上最著名的音乐家路德维希·凡·贝多芬已完全听不见了，但新的研究表示，实际上学习演奏乐器可以防治听力衰退。
The world's most famous musician, Ludwig Van Beethoven, may have been totally deaf - but new research suggests learning to play an instrument can actually stop you from losing your hearing.
听力专家们指出，如果年轻人长时间地从MP3播放器中高分倍地收听音乐的话，那么他们会在三十岁的时候出现听力衰退和耳鸣的现象。
Rocky: Hearing experts say that if young people listen to loud music on MP3 players for extended periods of time, they may suffer hearing loss and tinnitus by the time they're thirty.
那些会伤害到内耳的耳毒性药物会导致听力衰退。有些抗生素是耳毒性的。阿司匹林会造成暂时的问题。如果你有听力问题，可以问问你的大夫你正在吃的药有什么问题。
Aspirin can cause temporary problems. If you're having a hearing problem, ask your doctor about any medications you're taking.
老年妇女面临的其它衰退性健康问题是视力低下(包括白内障)、听力损失、关节炎、抑郁症和痴呆。
Other debilitating health problems faced by older women are poor vision (including cataracts), hearing loss, arthritis, depression and dementia.
早在1798年，他当时只有28岁，第二交响乐还没写完，他的听力就出现衰退。
As early as 1798, when he was only 28 and his second symphony was not yet finished, he began to lose his hearing.
他的听力开始衰退。
此时，他的听力逐渐衰退。
此时，他的听力逐渐衰退。
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