工作时间，突然偏头痛，有视觉障碍先兆性的，如何处理呢？
按投票排序
我老婆也是这种情况，在头痛来临之前，先有半个小时的视觉障碍，等眼睛基本恢复了之后开始头痛，然后睡一觉就会大大缓解。去医院检查，医生说是脑血管痉挛引起的，只有在头痛病犯的时候才能查出来，头痛结束之后就一切正常了，再查都查不出什么毛病。她说她经过这么多年的斗争总结出来的一些经验：1、每天睡觉至少保持7-8个小时，不要连续熬夜，不要过度劳累；2、不要长时间看电视、电脑，容易对眼睛造成疲劳感，从而引起头痛；3、不要让身体在一天内感受到的温差太大。比如，早上冷穿得比较厚，中午觉得热了就一下换了薄的衣服，这样第二天就容易犯病，比如洗澡之后穿很少的衣服出来晃，也容易引起犯病等；4、不要大快朵颐地吃冰冷的东西，我老婆既是在夏天也很少吃冷饮甚至喝凉白开，每每喝饮料的时候都是在嘴巴里把饮料含热一点才喝，小口一点一点地喝；5、头不能淋凉水，不能吹冷风，比如下雨就一定要回来洗热水澡冲热了才行，去理发店也一定要师父把水烧热了才能淋头；6、不能吃巧克力、奶酪、咖啡等东西，这个都是她长期实践过的，有好几次就是一下吃了几块巧克力，第二天就犯病。反正得了这个病之后事事处处都要注意和小心，好像定时炸弹一样，不知什么时候会发作，影响学习和工作，但是做到以上几条之后，她的犯病频率低多了。后来她又发现一个规律就是，只要她早上剧烈锻炼过了，比如爬楼梯，跑步之类的运动，使心跳达到一定频度，那么即使是犯了以上的忌讳，也不一定会犯病，所以，对于偏头痛，看来锻炼是很有必要的。另外就是，她收集了很多这方面的知识，但是好像都没什么用，只有一条，就是多吃富含镁的食品，比如香蕉等食品，会有一定的帮助，这个她没有试验过。她得这个病大概10年吧，后来上班后身体素质比之前强一些，自然而然就好了，很少再犯了，看来和身体素质也有一定关系。写这么多，希望能够帮到被偏头痛折磨着的朋友。
回答这个问题的时候，我刚又经历了一次偏头痛，现在吃完药视力恢复了在写这个答案，虽然头还是疼，但眼睛看见了就觉得好爽。我从初一时发现自己经常会出现这样的状况，就是会出现暂时性的视觉障碍，然后头开始疼。起初以为是感冒的前兆，也没当回事，吃了感冒药睡一觉也就应付过去。还很傻地以为大家都会这样，后来才知道他们和我不一样，至少眼睛看东西不会出现灯泡丝或者雪花状的白色絮状物。安慰自己这是自己的特异功能，因为我每次都能靠眼睛准确地知道感冒的来临，哈哈。就这样初高中一直这么过来了，结果中考的时候竟然发生了这样的情况，考试的时候试卷都看不太清，考完就觉得这次完了，不过结果出人意料，老天帮忙吧。初高中这样的次数不是很频繁，每次也都是吃药睡觉就好了，所以完全没当回事。上了大学，压力小了，作业少了，可是还是时不时会眼睛看不见，然后头疼。大二暑假就当回事和老妈说了，老妈当时一惊，因为她一同事的儿子也有我相似的症状，去医院查了说是视觉神经压迫，做手术特别麻烦。就说改天去医院瞧瞧，结果晚上睡觉的时候凌晨三点多的时候突然头疼，眼睛完全看不清东西，外加呕吐。把家里吓的，赶紧上医院，到了医院先是照了CT，才发现是虚惊一场，脑袋没有问题！可头还是疼，医生说是偏头痛，就挂水开药，一直折腾到天亮。（感谢老妈，一直陪在身边）因为半夜挂的是急诊，老妈就说等医院上班了再找个人看一下，这次是个老大夫，他说是什么视觉神经痉挛，不是什么大事，重在调理。于是吃了一个月的药，苦死了的什么养血清脑颗粒。头痛的频率有减少，但还是会有，现在每次眼睛一开始看不清，我就冲这个喝，难喝得要命，然后头疼得不行的时候会吃一粒止痛胶囊，也很快就恢复视力了，所以也就打算这么应付了。然后想说保持充分的睡眠、按时睡觉也特别重要，昨天晚上我聊天到很晚，差不多两点多的时候，眼睛就开始看不清东西了，所以就赶紧睡觉，睡着了也就好了。还有就是今天下午是从外面回来才开始这样的，因为现在北京外面还是有点冷的。感觉每次偏头痛开始都有一个触发点，有的时候是熬夜，有的时候是冷热变化，所以还是要尽量避免去碰这个触发点，保持好的作息习惯，注意天气的变化，经常锻炼还是很有必要的。最后想说偏头痛这个东西还是蛮难根治的，所以与其苦恼，不如坦然接受，淡然面对，保持好心态，就当是我们的特异功能吧，哈哈。
一发作就能感觉到对这个世界的绝望。
我估计楼上所有人都没有我来的频繁，最多的时候一个礼拜三次，最少的时候2个礼拜一次，6年了，从未有长时间的停止。每次都忍不住吃布洛芬。头疼的时候，意志力实在太低，根本就忍不住不吃药，吃了那么多止痛药，真的担心身体吃垮。从大一开始得病，也算是老字号了，得病的原因应该是遗传，我妈妈也有偏头痛，但是我貌似比她还要严重了(这个没必要青出于蓝而胜于蓝啊，我摔(ノ?益?)ノ彡┻━┻)。说说我的经验吧，有偏头疼的人，真的应该戒烟戒酒。烟酒不断的那段时间里，偏头痛也比平时更严重点。还有，禁止头部吹风！有偏头疼的人，千万别让头部受凉了。每次一吹风就头疼，百试百灵，冬天出去的时候，我都戴帽子的。我妈妈喝咖啡可以止痛，我的话，咖啡对我影响不是很大。但是！巧克力！那绝壁是噩梦之源，吃多了肯定发作，我这辈子已经决定不碰巧克力了。 假如工作是对着电脑的，记得每隔半小时就起来走动走动，做做伸展，我头疼的先兆有两种，第一种是眼睛痛，第二种是肩颈酸痛，所以尽量避免长时间对着电脑工作。最后一个，是我刚刚发现的，以前配的眼睛都是廉价眼镜，2、300一副，验光的话都比较潦草。这次配了一副贵的眼镜，验光的时候比较细致，包括我的散光什么都调整的比较好，然后看东西就比较轻松了。发现这样眼压就不会过强，真的有改善头疼。假如有小伙伴和我一样，常常从眼睛痛开始，不妨是试试看配一副最适合自己的眼镜。对了，有偏头痛的人或者眼压强的人，尽量少带隐形眼镜，我带一次痛一次，真不敢带了。还有最重要的一点，不要熬夜，睡眠一定要充足。这点我自己都做的不好，以后一定要注意了。以上就是我的经验，希望和病友一起共勉，早日摆脱偏头痛吧。有时候最伤心的就是，明明痛的要死，别人却用“有那么痛吗"的眼神看着你。写了那么多，觉得有用的就点个赞呗。
写在前面的话：
以下内容来自于无任何医学专业背景的大四人力狗的自身病历与相关文献的整理。仅供参考，不作任何诊断与用药标准评判。如出现任何医学错误，请各位知友及时指正，我会马上修改。利益相关：七年偏头痛患者。
无邀自来。
因为最近一个月经历了两次偏头痛，已经是从生理折磨被虐到生理与心理俱折磨，脑袋一有点疲劳不适就开始怂了，确实是达到风声鹤唳草木皆兵的地步。多次问诊后得到的答复无外乎压力过大或者是太过劳累（目前未做过任何检查）。而止痛药医生也不会开多，目前也没有遇到疗效特别好的药。所以近来每次偏头痛发作时几乎是达到绝望的地步，总会想会不会有一天被这种查不出根源和无药可根治的病一波带走。
恰巧上个星期在知乎看到这个问题，众多知友的回答真的让我有一种找到组织的感觉，有了一丝安慰的同时也意识到这不是普通的压力或者疲劳引起的偏头痛。最近在写论文的闲暇之余也在中国知网查找了相关文献，趁着今晚有空写出来，希望能引起各位病友的重视。首先，在该问题下，此文所说的偏头痛默认为先兆偏头痛伴视觉先兆。即为题主所说的视觉先兆性偏头痛，为回答更具针对性，其他症状的偏头痛不予展开。
偏头痛是一种临床常见的慢性神经血管性疾患，各国报道的年患病率，女性为3.3%-32.6%，男性为0.7%-16.1%。偏头痛可发生于任何年龄，首次发病多于青春期。青春期前的儿童患病率约为4%，男女相差不大。青春期后，女性患病率增高远较男性为著，约40岁前后达到高峰。
一、发作的临床表现
偏头痛发作可分为前驱期、先兆期、头痛期和恢复期，但并非所有患者或所有发作均具有上述四期。同一患者可有不同类型的偏头痛发作。
(一)前驱期头痛发作前，患者可有激惹、疲乏、活动少、食欲改变、反复哈欠及颈部发硬等不适症状，但常被患者忽略，应仔细询问。
(二)先兆期先兆指头痛发作之前出现的可逆的局灶性脑功能异常症状，可为视觉性、感觉性或语言性。视觉先兆最常见，典型的表现为闪光性暗点，如注视点附近出现“之”字形闪光，并逐渐向周边扩展，随后出现“锯齿形”暗点。有些患者可能仅有暗点，而无闪光。其次是感觉先兆，表现为以面部和上肢为主的针刺感、麻木感或蚁行感。先兆也可表现为言语障碍，但不常发生。先兆通常持续5-30分钟，不超过60分钟。
(三)头痛期约60%的头痛发作以单侧为主，可左右交替发生，约40%为双侧头痛。头痛多位于颗部，也可位于前额、枕部或枕下部。偏头痛的头痛有一定的特征，程度多为中至重度，性质多样但以搏动性最具特点。头痛常影响患者的生活和工作，行走、登楼、咳嗽或打喷嚏等简单活动均可加重头痛，故患者多喜卧床体息。偏头痛发作时，常伴有食欲下降，约2乃的患者伴有恶心，重者呕吐。头痛发作时尚可伴有感知觉增强，表现为对光线、声音和气味敏感，喜欢黑暗、安静的环境。其他较为少见的表现有头晕、直立性低血压、易怒、言语表达困难、记忆力下降、注意力不集中等。部分患者在发作期会出现由正常的非致痛性刺激所产生的疼痛(allodynia)。
(四)恢复期头痛在持续4-72小时的发作后可自行缓解，但患者还可有疲乏、筋疲力尽、易怒、不安、注意力不集中、头皮触痛、欣快、抑郁或其他不适。
二、发作的诱发因素
偏头痛发作的常见诱发因素(见表1)
三、有先兆偏头痛的诊断标准:
有先兆偏头痛的诊断主要根据先兆特征，需要有2次以上的先兆发作并排除继发性头痛的可能。符合表4中B-D特征的先兆为典型先兆，如果典型先兆后1小时内出现偏头痛性头痛发作，即可诊断为伴典型先兆的偏头痛性头痛(见表4)。
四、成人偏头痛急性期治疗药物推荐以上斜体内容及图片均节选（复制）于《中国偏头痛诊断治疗指南 》（李舜伟 等。中国疼痛医学杂志2011.17.（2））另外贴一个偏头痛先兆的临床特征偏头痛先兆的临床特征
典型先兆包括视觉和/或感觉和/或言语症状。视觉先兆是先兆性偏头痛中最常见的先兆，约10%的偏头痛患者有此先兆（4）。典型视觉先兆发展过程为，注视点附近出现之字形闪光，可逐渐向左右扩展，并逐渐扩大，随后可表现为具有特征性的锯齿形暗点，边界呈现出闪光的几何型线条，线条相互之间夹角为60度。因为其形状酷似巴洛克风格的城墙，早期研究者称之为“城墙样”视觉先兆。视觉先兆边缘起初闪烁频率为10-15 Hz，随后逐渐降低，扩布到周边时降为3-4 Hz，继之为暗点一般经过20-25 min后，随着视觉先兆的消失，患者的视力可完全恢复。（4 }Schott GD.
Exploring the visual hallucinations of
migraine aura:
the tacit contribution of
illustration [J] Brain. : 以上斜体内容节选（复制）于《偏头痛先兆的发病机理》（李风鹏 等。中国康复理论与实践2008年第14卷第2期）===================分割线==============================================我是从高一开始出现先兆性偏头痛伴视觉先兆。高一、高二的时候好像一年没有几次，高三大概一两个月出现一次。当时单纯地以为只是压力太大引起的问题。然后高四复读了半个多月又出现了一次，直接被虐得滚去读大学。然后大一到大三期间，一年大概也就两三次。因为春节前开始写毕业论文，加上过节生活作息都不规律，最近的一个多月出现了两次了。都被虐得不要不要的。
回忆了病史以来的偏头痛经历，发作时间多为晚饭时间前后，发作当天可能是喝了咖啡或是没有午睡，发作前多为打完篮球喝了冰冻可乐（所以我现在运动后不敢喝任何冰饮，平时也尽量少喝）。然后晚饭时间前后，某一只眼睛会开始感觉到紧迫感，视力会开始不正常，继而那一侧的头部会感觉的疼痛。每次偏头痛大概持续两到五个小时。偏头痛过程中，会畏光、畏声、畏寒。心理也从最初的畏惧到烦躁（然而越烦躁只会越疼痛）。
所以发现这个问题并知晓这种偏头痛的确切提法后，简直是看到人生希望了（痛起来真的是痛不欲生）。查阅了相关文献后，总算知道这种先兆性偏头痛伴视觉先兆的患病率还是挺高的（我确实是具有母系家族遗传因素）。知道后也没有了孤军奋战的悲壮感。虽然目前国际上对于偏头痛的发病机制与机理没有明确的确证，也没有根治的方法。但希望在明天嘛。
前天刚刚在学校校医室买了三粒芬必得来备用（医生在我死皮赖脸地才不情愿开了三粒给我，还千万叮嘱我不能吃多）。下一步打算是，找个时间到医院做个详细检查，排除掉其他原因引起的这个先兆性偏头痛伴视觉先兆。然后多多运动，注意饮食注意作息。
所以，务必请各位病友高度重视偏头痛，不仅仅是视觉先兆的病友，其他病友也是。我也是通过这次查阅后才知道偏头痛是一种很严重的病，并且国际上还有一个叫国际头痛协会组织，他们还对偏头痛做了非常详细的种类划分。国内也有很多研究偏头痛的机构（尽管从各位知友回答来看，一线的把偏头痛当回事的医生好像很少）。但还是希望各位病友去问诊的时候不要轻易被医生“打发”，一定要把自己的病史详细地跟医生作说明。最好还能进行相关的检查，诸如脑电图、CT、MRI、腰椎穿刺等等，排除掉其他可能的原因，不要出现无谓的心理负担。平时也可以备一本病情日记，在发病时及时记录诱因和过程，以便获取还好的治疗。===========================分割线======================================
最后，再次强调，以上内容不作为病情诊断标准和用药参考。
本来还查阅了偏头痛的预防用药的相关文献，然而因为太专业我没看懂不敢轻易放上来。
最后最后，确切的病情诊断请通过专业医生，用药也要在医嘱下进行。
愿各位病友早日脱离苦海，身体健康。
植树节-反正是个节日-快乐。
这个病，我也有!先是一侧视野不清，有灯泡丝的感觉，过一阵就好了，然后头疼，恶心！ 我去眼科医院查了无数次，做过了每一项眼病检查，差点做了血管造影。坑爹的医生给我散瞳超过20次，一直治不了！神经内科做过CT！ 结论是眼睛没问题、神经没问题！ 最近我网上看到了典型偏头痛，要真是这个病那也好治！最起码找到了病根！
这么多年了，终于找到组织了，55555，我也有十多年的，现在差不多一年两三次（有时候两三天会连续发作），我有点经验分享下：1.不要在潮湿的地方待太久，晚上睡觉，床头不要有湿衣服之类的，2.夏天吹空调冷热交替很容易发作，3.一旦发作我会立马逼自己吐出来（想些恶心的或者扣。。。），然后马上光线暗的地方睡觉，4.我感觉多吃鱼貌似有减少发作的频率（个人感觉，不知道是不是鱼油的作用）。
我大概有10多年的偏头痛历史了，从我的初二就有开始了，我刚刚又经历了一次，所以想在知乎上交流一下经验，结果答案太少了，所以我也来分享一下经历吧。先说说我的偏头痛的过程。第一阶段，视力障碍，我的眼部集中关注的地方总会出现一些好像虫状的透明漂浮物，黑白盲区来阻碍视力，接着偶尔人的精神状态会很疲惫，所以一般我会选择在这个阶段吃药之后睡觉。第二阶段，一侧头痛，有时候左，有时候右，我也不知道它会发生在哪，痛感很强烈，不吃药基本睡不着。第三阶段，呕吐。由于伴随呕吐感觉，有时候吐得黄疸水都出来了，人的意识才开始感觉累了，麻木了，这才能睡得着。第四阶段，睡醒后的疲乏，脑袋有点涨涨的感觉，对光的畏惧感，这阶段是偏头痛的后遗症吧，起码一两个星期才从心理阴影走出来吧。我来说说我这么多次经历后，寻找的原因分析。场景一，初中，高中经历最多的是，篮球后的偏头痛。因为运动出汗了，我本人汗多，打完球坐在场边休息时候，让风吹过背门或者颈的部位，过了一会很容易就犯病了，所以现在我打球都是两套衣服和带上一条毛巾，基本都未在这个场景上犯病了。场景二，冷热交替导致的头痛。我试过几次，在18度的空调房走出去街口之后，立刻感觉人很虚弱，之后立刻犯病，有时候睡醒刷牙也会这样子。为了避免这种情况，我现在空调都是开到27度，冬天时候起床前都把衣服穿好才起来。场景三，工作时，玩电脑时候。有时候眼睛对电脑久了，或者玩电脑太久，试过两次了，这也会犯病，所以尽量电脑对久了就做点其他事情舒缓一下吧。我的防范要点主要是，第一，时刻保护着你的颈椎，多用手掌温度按摩呵护着它，我发现绝大部分犯病的原因都是它着凉了，我不知道对颈椎的肌肉锻炼能否有效防御，反正我想试的时候就犯病了就没坚持下来，欢迎脑补一下。第二，注意温差改变，尽量别走温度跨度太大的地方，添衣减衣把握好，避免着凉。第三，调整生物钟，调整正常作息，多锻炼身体，建议慢跑加强心肺功能，心率不稳定也会导致血脉曲张？其实我也不肯定，反正之前体检发现我也有心率异常，体虚也容易出汗，风一吹就不行了，所以我怕撞风。偏头痛治疗。在国内要彻底根治这病，好像还没有什么好方法，还是预防为主。发病时候，我是吃颗必理通，然后找地方睡觉，要静要暗的地方躺下，基本我都是熬到回家睡觉的，看个人心态。偏头痛太可恨了，耽误工作，耽误学习，耽误我的旅游计划！！！
欲哭无泪，还在寻找好方法防治。补充，初中，高中时候平均发病时间3-4个月，大学4–6个月。工作后，作息混乱，经常熬夜，抽烟喝酒，少运动，我看了请假记录，居然半个月至一个月就病一次！！看来身心健康真的真的很重要，多点休息多点运动才是硬道理。再补充。
本人有先兆性偏头疼大概四五年了，根据自己的经验，只有一种办法可以大大减少这种病症的发作。就是有氧锻炼。因为本人体重曾达190斤，为了减肥，就开始了慢跑。每周三到四次，每次45分钟以上。坚持了一年，在这一年里。一次也没有发作过。期间因为有一次下楼梯脚扭伤，停跑了一个多月，这当中发生过两次。后来恢复跑步后，又不发作了。另外，的确按时睡觉充足睡眠很重要。但因为有氧运动期间，睡眠自然会变得很好。所以，有氧运动时唯一的治疗方案。
我是多通风会好很多，以前冬天公司开热空调关窗，每天只要大概半小时就头痛欲裂，在家我是不开热空调的，窗不关严就没事，冷就多穿或者钻被窝
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Ticking off 10 minutes of global events for a global audience. I'm Carl Azuz from the CNN Center.For the first time since 2004, the U.S. government is recognizing a genocide. U.S. Secretary of State John Kerry says the ISIS terrorist group is committing genocide, the mass murder of Christians, Shiite Muslims and Yazidis in the nations of Iraq and Syria. The Obama administration had been criticized for its reluctance to use the term until now.On Monday, the House of Representatives passed a unanimous resolution to label some of ISIS's crime as genocide. That vote and the administration's announcement don't require the government to take additional action against ISIS, but it could increase pressure on it to more aggressively fight the terrorists or to allow more refugees from Iraq and Syria into the U.S.This is video from 2014 on an Iraqi Air Force flight that rescued some Yazidis from a mountain in Iraq. ISIS had trapped and targeted them.An American student is now a prisoner in North Korea. Twenty-one-year-old Otto Warmbier was visiting the capital Pyongyang on a tour organized by a Chinese travel company.On January 2nd, he was arrested and accused of stealing a political banner from his hotel. Warmbier later admitted to the crime and said he was lured by the U.S. government to commit, but it's possible that North Korean officials pressured him to read that statement. Warmbier was sentenced to 15 years of hard labor, a penalty that the U.S. State Department says doesn't fit the crime.Relations between the U.S. and North Korea are worse than usual, partly because of North Korea's nuclear program and the international penalties for it. Partly because of annual military exercises between the U.S. and South Korea, which the North opposes.(BEGIN VIDEOTAPE)BRIAN TODD, CNN CORRESPONDENT (voice-over): Warmbier was on an organized tour when he was detained by the North Koreans on January 2nd.(on camera): What are the conditions of the case?GREG SCARLATOIU, COMMITTEE FOR HUMAN RIGHTS IN NORTH KOREA: He may be forced to work in agriculture, as it happened with other American prisoners. He may spend his days planting apple trees, for example. It will be fairly grueling forced labor. It is very likely that he will be interrogated by agents of the state security department.TODD (voice-over): Human rights groups say similar conditions were experienced by American missionary Kenneth Bae, who was held in North Korea for about two years. U.S. officials tell CNN they're working to secure his release and are urging Kim Jong-un's regime to pardon the young American.Kenneth Bae and another American, Matthew Todd Miller, had also been accused of perpetrating hostile acts against Kim's regime. They were given long sentences of hard labor, but released much earlier.SCARLATOIU: Based on previous such instances, I would say that Otto Warmbier would stand a fair chance of being released about six months since his arrest.(END VIDEOTAPE)(BEGIN VIDEOTAPE)SUBTITLE: Queen Nefertiti's resting place discovered?A researcher believes he may have discovered the resting place of Egypt's Queen Nefertiti.Dr. Nicholas Reeves of the University of Arizona thinks Nefertiti is buried behind passageways in King Tutankhamun's tomb.King Tut was an Egyptian pharaoh of the 18th dynasty. His tomb was discovered by English archaeologist Howard Carter in 1922.Reeves thinks he discovered hidden doorway after analyzing digital scan of the walls of Tutankhamun's tomb.He believes beneath layers of plaster may lie the undisturbed remains on the tomb's original owner, Queen Nefertiti.Nefertiti ruled as chief consort of the Pharaoh Akhenaten in the late 14th century B.C. She is thought to have died around 1330 B.C., roughly seven years before King Tut.The discovery would explain why the size of King Tut's tomb is smaller than those of other Egyptian kings.Dr. Reeves cautions that this theory must be proven by on-site analysis of King Tut's tomb.(END VIDEOTAPE)AZUZ: SeaWorld says its current generation of killer whales will be the last one at its water parks. The organization has kept and bred these mammals in decades. But it announced yesterday that the program is ending.The company CEO calls SeaWorld's situation a paradox. He says that customers come to the parks in part to watch orcas. But there's a growing number of people who believe that killer whales don't belong in human care.People for the Ethical Treatment of Animals said that SeaWorld had taken a step forward, but then it didn't go far enough, that it should send many of its other animals to ocean sanctuaries.As for the orcas that are currently in SeaWorld, the company says they'll be there for years to come and get the highest quality care.(MUSIC)AZUZ: We love seeing who's watching our show from around the world.On yesterday's transcript page , we heard from Sunae Middle School. It's in Seongnam City, South Korea. Hello to everyone watching there.Next to Rochester, in western New York. The Trojans are with us from Greece Athena High School.And in La Habra, California, hello the Raiders. Happy to have Sonora High School rounding out our roll.Up next, what could be a significant step forward in protecting motorcycle racers or downhill skiers. It's a sort of wearable airbag system, a giant that rapidly inflates in several places to caution a sudden fall. But it's not cheap. While a padded motorcycle jacket can cause a couple of hundred bucks, the one you're about to see goes for over a thousand.(BEGIN VIDEOTAPE)ROBERTO SADOWSKY, EXECUTIVE VICE PRESIDENT, DAINESE USA: We're progressing and making the sports safer and safer.Safety is usually not cool, right? But you can hide it.Since we introduced our airbag system, things has really gone to the roof.BENNY SOLIS, PROFESSIONAL MOTORCYCLE RACER: I never want to crash, but I didn't want to experience the airbag and the first time I did was impressive because it all happened in split second, by the time I was off the bike and unto the floor, I don't think I had enough time to even blink my eye, but the computer itself deployed the airbag.SADOWSKY: So the bag is hidden within the jacket and it covers mainly the shoulders, the torso and around the body, to the back protector.The sensors are all self-contained in the back protector. It's three gyroscopes and three extra durometers and one GPS.It's an algorithm that has been developed. Once the system has detected a crash, it takes only 25 to 30 milliseconds for the bag to fully inflate and go off. So, it's like 10 times faster with a blink of an eye.UNIDENTIFIED MALE: Three, two, one.SADOWSKY: We have been collecting data since 2011 for skiing. Unlike motorcycling, you spend a lot of time in the air. It was important for us to change the algorithm so that it can recognize when it's time to really go off and when it's actually just a regular jump.SOLIS: When your gear saves from an injury, that's a huge plus because you make it to the next race. Your career can be stretched into another five years if you don't tear a calf, or any other type of injury. I think eventually, I guess it can be so good that people almost never got hurt.SADOWSKY: Our vision is in five, ten years from now, that every motorcyclist on the street will wear an airbag. People have a life. They have a job. They have a family. So, while they do their sports, they want to feel safer and they want to be able to come back on Monday and go back to work and provide for their family.We're thinking also about other applications of the D-air. This is just the beginning.(END VIDEOTAPE)AZUZ: What does the fox say might be the wrong question. Maybe it should be, what makes the fox laugh?Archer the Arctic fox is a pet in the U.S. state of Michigan. This live video of him laughing on command has been viewed tens of millions of times.I guess the animal likes being fox-cetious. Maybe he'd prefer the term foxicle. Would you call this a ga-fox? Hey, at least someone's laughing at our puns. He doesn't find them slyfless (ph). He'd probably call them cunning and with his support, we'd never be outfoxed.I'm Carl Azuz with some fox news on CNN. Fridays are awesome!END来自：VOA英语网 文章地址: /16/03/CNN-STUDENT-NEWS-.htmlAfrican countries had always been important players on the map of China's foreign policy. From the Belt and Road initiative to China's investment and aid plans, African countries are never left out. How do African people see China's undertakings in their countries? What has changed or is changing in African countries because of the efforts of China? We now turn to our Nairobi studio for insight.China has several megaprojects running in Kenya alone. That includes the Thika Super Highway in Nairobi. The Standard Gauge Railway on the coast. And the new Greenfield terminal at the Jomo Kenyatta Airport are just some of them.Statistics show China is the leading financier of large-scale infrastructure projects in Africa. But it's not just about the money - it's about teaching skills to locals - something that's sorely needed. They are very fast, something else, they delegate, so you can learn and even if they leave, you remain with the skill, Peter Ndungu, site engineer with Outer Ring Road Project, said.China is Africa's biggest trade partner. And although some says the imports exports numbers are skewed - it's been improving for Africa.But putting the economy aside for now - the growth of Chinese traditions and culture has also been impressive.This is the starter, chicken pow.The orders for Chinese cuisine have exponentially grown...the fact that we dedicated a whole magazine to the cuisine goes to show that. The waiters know the proper names of the foodThey are an advantage to us, they teach us and when you learn you can go and start something yourself.From education, to healthcare and of course cultureAnd it's not just here in East Africa. China's influence is growing in West, North, and Southern Africa too. That became evident at the recent Forum on China Africa Cooperation held in Johannesburg. And with the multi-billion dollar plan for Africa, China's influence and assistance are be assured.来自：VOA英语网 文章地址: /html//China-helps-improve-peoples-livelihood-in-Africa.html
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