![](http://news.xinhuanet.com/tech/2009-02/18/xinsrc_20202061810543903214216.jpg)
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)
未来痴呆的风险。
而最有可能导致阿尔茨海默病的发病的几个因素是:
1. 早年接受教育的程度(学历),学历低则发病率高;
2. 中年患高血压,将来发病率高;
3. 有糖尿病史;
4. 有吸烟史。
每年世界阿尔茨海默病协会(Alzheimer's & Dementia Help Center)都会总结当年的阿尔茨海默病发病情况和公认可靠的研究结果,发表在当年的《Alzheimer's disease facts and figures》报告中。以2012年为例,总结了以下确定的风险因素:
1.衰老。
没有基因突变的人一般65岁前极少得阿尔茨海默病的,也就是说不老基本不会有危险。只可惜我们无法阻止衰老的进程,这点无法预防。
2.家族史。
父 母或亲兄弟姐妹这类有直接血缘关系的家人如果有阿尔茨海默病,那么自己患病几率也比一般人要高。这可能因为一家人有相似的遗传背景、生活环境和生活方式, 说不定其中某个或某些在诱发疾病中起了关键作用。有这样的情况就要小心了,先排除是不是基因突变问题,再看看生活环境和生活方式是不是有很不健康的地方。
3. 又是基因突变,这次是APOE-e4基因。
与以上的APP、PS1和PS2基因不同,APOE-e4基因携带者并非一定会痴呆,只是几率比非携带者高。这个也可以通过检测基因进行筛查。
4. 轻度认知障碍患者
轻 度认知障碍患者并非痴呆,而是处于以下的状态:出现了思维功能的下降,家人朋友可以从其日常行为中发现不对劲,但是仍然能够保持正常的日常生活。在一些药 物治疗后,可能发生轻度认知障碍的现象,这是可以逆转的;其他的情况中,某些可以逆转,某些会保持,某些会恶化,发展为阿尔茨海默病。所以,如果发生了轻 度认知障碍,主要是一些记忆下降的现象,最好及时就医,可能可以治疗。当然,有些情况下轻度认知障碍只是阿尔茨海默病的一个阶段,需要有经验的医生进行判 断。
5. 心血管疾病
越来越多的研究确定脑健康与心脏健康是紧密相连的。脑是人体血管最丰富的器官之一,健康的心脏能够保证有足够的血液泵入脑内,以供给脑需要的氧和营养物质。
增加心血管疾病风险的因素往往也会增加阿尔茨海默病的风险,如高血压、高血脂、糖尿病、吸烟、肥胖等等。因此预防阿尔茨海默病,控制这些因素很重要。从另一方面说,同时也降低了心血管疾病的风险更重要的是,这些因素不像基因和衰老,是实实在在可以人为控制的,何乐而不为。
6. 社交和饮食
研 究表明保持社交和饮食健康对脑健康有益处。尤其对于退休的老年人来说,不需要工作中用脑了,社交也一下就减少了,接受外界刺激太少则难以保持认知功能的正 常。有人说打麻将有好处就是出于这个考虑,既有社交也要用脑。同理下棋、上个有意思的老年大学也有同样的效果。饮食自不必说,老年人暴饮暴食的也少,保证 丰富种类的蔬菜、尽量避免烟酒即可。虽然目前对这两个因素是否有用还存在着争议,但最起码对人是有好处的,不妨坚持。
7. 脑外伤
有研究显示中度脑外伤增加患阿尔茨海默病几率2倍,重度增加4.5倍,所以有过脑外伤的人要尤其注意自己的生活方式。
写完回头看一看,真的跟没写一样……悲剧的阿尔茨海默病研究(或者可以扩大到生物研究)就是这样,不知道哪天才能有点可用的结果。除了基因、衰老这两个已经明确但我们又不可控的因素之外,只能在生活方式上下下功夫了。在以上风险因素预防中,要拣出一个最重要的话,那就是尽量避免患心血管疾病,这在所有阿尔茨海默病的咨询和研究中,基本上是被首先强调的。
转帖
http://www.zhihu.com/question/20211519
http://www.alabmed.com/uploadfile/2014/0417/20140417052854241.pdf
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