绵竹市韩式半永久眉培训学校飞度技术医院大全

来源:搜狐娱乐
原标题: 绵竹市韩式半永久眉培训学校飞管家名医
While proudly showing off his new apartment to friends, a college student led the way into the den.一个学生带他朋友们参观他的新公寓,甚是得意。;What is the big brass gong and hammer for?; one of his friends asked.“那个大铜锣和锤子是干什么用的?”他的一个朋友问他。;That is the talking clock,; the man replied. ;How#39;s it work?;“那玩意儿厉害了,那是一个会说话的钟”,学生回答。;Watch,; the man said and proceeded to give the gong an ear shattering pound with the hammer.“这钟怎么工作的”,他的朋友问。“看着,别眨眼了”,那学生走上前一把操起铜锣和锤子,拼命地敲了一下,声音震耳欲聋。Suddenly, someone screamed from the other side of the wall, ;Knock it off, you idiot! It#39;s two o#39;clock in the morning!;突然,他们听到隔壁墙那边有人狂叫,“别敲了,你这白痴!现在是凌晨两点钟了!” /201210/202783

You may not need a gym membership if you can pass these everyday health tests. See how many you can answer ;yes; to.如果你能通过下面这些每日健康测试,你也许就不需要办健身卡了。看看这10个问题你有多少能回答“是”。Do you: Feel energized 14 hours after waking up? (If you woke up at 7 a.m., you should still feel awake and active at 9 p.m.).你能否:起床后14小时依然感觉精力充沛?(如果你早晨7点起床,到了晚上9点你应该依然感觉清醒而且有活力。)Exercise is a known energy booster, and if you feel completely zonked at the end of the day, chances are an overly sedentary lifestyle is at least partly to blame. One large study, which analyzed 70 papers on exercise and fatigue that involved more than 6,800 people, found that sedentary people who followed a regular exercise program had less fatigue than people who didn’t work out, according to WebMD.锻炼是提升精力的好办法,如果你在一天结束时感到筋疲力尽,那么过于久坐的生活方式至少是元凶之一。美国健康信息务公司WebMD进行的一份长达70页的大型调查,研究了超过6800人的运动和疲劳情况。调查表明,那些久坐的人如果进行规律锻炼,他们的疲劳感会比那些不锻炼的人要低。 /201307/249768

Open water swimming: how to stay safe露天游泳如何确保安全?Taking the plunge in open water can be dangerous but there are ways to minimise the risks, Kate Rew, the founder of the Outdoor Swimming Society, tells us.在自然水域游泳戏水往往是很危险的,但是如果我们有一定的常识就可以减小这些危险性。户外游泳协会的创始人凯特.德鲁告诉我们。Rew was speaking as news emerged that at least 17 Britons had lost their lives as a result of swimming in quarries and other open water spots during the current heatwave.德鲁女士告诉我们,炎热的天气,人们喜欢前往自然水域游泳,根据最新数据,最近已经有17个英国人因为到自然水域游泳而溺水死亡。And it followed a spate of warnings about the dangers of open water swimming issued by police and the Royal Life Saving Society (RLSS).这些事故发生以后,警察局和皇家救生协会向市民们发出一连串的警告,警示市民在自然水域游泳应该注意人生安全。Rew urged all those wishing to take the plunge in outdoor swim spots to follow clear safety guidelines and make sure they were informed about the places they wanted to swim in.德鲁女士呼吁所有喜欢到自然水域游泳戏水的人必须遵循游泳安全指导,确保所去的水域是允许游泳的安全水域。But she said that with water temperatures much warmer than usual, this was a wonderful time to explore Britain#39;s many lakes, rivers and the sea.;Like many sports such as hiking and snowboarding, open water swimming carries risks, but there are many ways in which these can be minimised,; Rew said.德鲁女士表示,夏季气温升高,在英国的自然湖泊、河流或是大海里游泳是很美好的。“和其他户外活动,比如徒步、滑雪一样,在自然水域游泳也是有一定危险性的,但是只要我们遵循一些基本常识,就可以将危险最小化。”;With swimming there are tides and currents and water temperatures that have to be considered and you have to learn about your ability to function with those things.;“自然水域有很多特质,比如潮汐的涨落、水流的急缓以及水温的高低。这些特质你必须知晓,同时要知道自己是否有能力驾驭自然水域的这些特质。”;Like many other sports, open water swimming can be done on different levels. There are safe ways of doing it that entail no more danger than swimming in an outdoor swimming pool.;“和其它运动一样,在自然水域游泳可以分不同等级,只要把握好自己的尺度,在自然水域游泳也可以很安全,甚至比在游泳池里更安全。” Rew had the following advice for would-be open water swimmers:德鲁女士为想去自然水域里享受清凉的人们提出几点建议:* Don’t swim when drunk*醉酒不能下水游泳* Don’t jump in without knowing depth of water*不能再不知道深浅的水域里跳水* Make sure you know about currents*明确水流的湍急与否后下水* Find out about the swimming place before you get in – both by speaking with people who live locally and checking the Outdoor Swimming Society map*对你所去的水域先行了解,再下水——可以向当地人打听或是查看可游泳自然水域分布图* Before going into the water, make sure you know where you are going to get out下水前先明确你要从什么地方起水* Swim close to the shore沿着岸边游泳* Swim with someone else有同伴伴随* Start off swimming modest distances and then build up先在浅水区游泳,慢慢进入深水区Rew said that a lot of difficulties associated with open water swimming came about because water temperatures in lakes, rivers and the sea tended to be considerably lower than in heated swimming pools.德鲁女士强调,自然水域游泳出现的问题往往是因为在自然湖泊、河流和大海里,水温通常会比人工加热的游泳池低。;Plenty of people don#39;t appreciate that when the water is cold the blood rushes to the core and at a certain point your arms and legs become useless and you can#39;t swim out of danger. That can cause deaths.;“很多人不明白这一点,因为下水后,水温太低,你的血液会迅速回流到心脏,这时候,手臂和腿会因为供血不足而无法控制,这样会很危险,可能造成死亡。”;Even when the water is relatively warm, such as now, it can still be colder than that in heated swimming pools and people who are not used to it can still find it slightly shocking.;“也许你觉得自然水域的水很暖和了,其实温度相对人工加热的游泳池还是很低的,所以,下水时,你还是会会觉得不适应。”Open water – or wild swimming as it is also known - has surged in popularity as more and more Britons want to reconnect with nature and swim in beautiful settings free from the constraints of indoor chlorine-filled swimming pools.愿意在自然水域畅游的人越来越多,相比在受约束的充满氯气的人工游泳池,英国人更愿意在无拘无束的自然水域享受一丝清凉。Not only is it invigorating and inspiring, done with due caution, it is good for you – as the Prime Minister David Cameron demonstrated last month when ahead of the G8 summit in Northern Ireland he let it be known that he had taken a 6am dip in Loch Erne.在自然水域游泳,只要注意安全,你可以尽情享受那份清凉和水带给你的灵感,对你的身心都有益。正如首相卡梅伦形容自己对自然水域的热爱——上月在北爱召开八国集团首脑会议时,他早上六点就在厄恩湖里畅游了。Membership of the Outdoor Swimming Society has grown considerably since it was founded by Rew in 2006. Included on its website is a comprehensive interactive map highlighting the many outdoor places in Britain where it is possible to swim with practical information contributed by those who have tested them out.英国户外游泳协会从2006年成立以来在不断壮大,在户外游泳协会的官网上,可以查询到有关安全自然水域的综合地图,这些都是经过测试的安全水域。;Of course there are risks, but life is a risk-filled activity,; said Rew.;You can#39;t keep people out of the water when it is hot and with water temperatures in many places currently at between 16 and 20 degrees, this is an ideal time to explore outdoor swimming.;If you do want to explore, start off by finding an inland beach on a lake or a river pool where water runs to shallow, find somewhere safe and family-friendly.“自然水域游泳虽然有一定危险性,然而我们的人生就是这样一个充满危险的环境。”“在英国,很多地方的水温已经达到16——20度时,这是享受自然水域的绝佳温度,你不能阻止大家下水的热情。”;Have a look at our wild swimming map and see where people recommend. Give it a go: even if you find it a bit bracing, you might enjoy it.;“到我们的网站上搜索一下,看看哪一片水域是大家一致推荐的,去游泳吧,虽然水可能有点凉,但是你会乐在其中的。” /201307/249029Americans love pets. And it#39;s not just puppy love, either. Many pet owners treat their furry friends as part of the family. Sometimes they spice up their pets#39; lives with entertaining s and amusing toys. If they have an eye for fashion, pet owners can dress their pets in stylish clothes. For special occasions, they can use canine perfume to make their dogs smell, well, less beastly. You might say Americans treat their pets like they treat their children-sometimes even better.  美国人很爱宠物,而且这不只是一种不成熟、短暂的爱。很多宠物的主人把这些毛茸茸的朋友当作家庭的一部分,有时候还为宠物准备用的录像带和玩具来增添牠们生活的乐趣,如果宠物的主人具有流行的眼光,还会让他们的宠物穿上时髦的衣,在特殊的场合里,甚至为宠物喷上儿专用的香水,让牠们味道好闻一点,减少一些动物身上的味道。你也可以说,美国人待他们的宠物如同待他们的孩子一样——有时甚至更好。  In America, there are more households with pets than those with children. At least 43 percent of U.S. homes have pets of some sort. Exotic creatures, such as monkeys, snakes and even wolves, find a home with some Americans. More common pets include tropical fish, mice and birds. But the all-time favorites are cats and dogs, even at the White House. The Clintons#39; cat, Socks, has replaced the Bushes#39; dog, Millie, as reigning First Pet. Americans sometimes have strong feelings about whether dogs or cats make better pets. ;Dog people; and ;cat people; often enjoy friendly rivalries.  在美国,有宠物的家庭比有孩子的家庭还多。至少百分之四十三的美国家庭有宠物,有些美国家庭养一些外国品种的动物,例如猴子、蛇、甚至狼;比较常见的宠物有热带鱼、老鼠、和鸟。不过,一直广受欢迎的是猫和,连白宫也不例外。柯林顿总统的猫——袜子,已经取代了布什的——米利,成为神气的「第一宠物」。美国人有时候很在乎到底最好的宠物是猫还是,「爱的人」和「爱猫的人」喜欢开玩笑地彼此争辩。  Leading a dog#39;s life in America isn#39;t such a bad thing. Many grocery stores sell gourmet pet foods to owners eager to please their pets. In Houston, Texas, dogs can have their dinner delivered to their homes, just like pizza. Well-to-do canines can attend doggy daycare centers while their owners work. Pets can even accompany their owners on vacation. Fancy hotels are beginning to accommodate both man and beast. Furry guests at Four Seasons Hotels can enjoy gourmet meals served on fine china and sleep in soft beds.  在美国,所过的生活并不坏,很多杂货店都卖有宠物美食,让主人可以讨好他们的宠物。在德州的休斯敦市,儿还能享用专程送到家的晚餐,就跟披萨一样。家境富裕的儿在主人上班的时候可以去儿托育中心。宠物甚至可以和牠们的主人一同去度假,高级饭店已经开始可以同时留宿人和宠物,这些毛茸茸的客人在四季饭店可以享用以精致瓷器盛装的美食,并在柔软的床上睡觉。  Beneath the fluffy luxuries, there lies a basic American belief: Pets have a right to be treated well. At least 75 animal welfare organizations exist in America. These provide care and adoption services for homeless and abused animals. Veterinarians can give animals an incredible level of medical careNfor an incredible price. To pay for the high-tech health care, people can buy health insurance for their pets. And when it#39;s time to say good-bye, owners can bury their pets in a respectable pet cemetery.  在舒适奢华的享受之下,其实存在着美国人的一种基本信念:宠物有受到妥善对待的权利。美国至少有七十五个动物福利组织,他们为流浪动物及被虐待动物提供照顾与领养的务。兽医能提供给动物极好的医疗照顾——价格也极昂贵,若为了负担更先进的健康医疗照顾,人们可以为他们的宠物买健康保险。如果和宠物道别的时机到了,主人们可以为宠物买一块体面的墓地。  The average American enjoys having pets around, and for good reason. Researchers have discovered that interacting with animals lowers a person#39;s blood pressure. Dogs can offer protection from burglars and unwelcome visitors. Cats can help rid the home of unwanted pests. Little creatures of all shapes and sizes can provide companionship and love. In many cases, having a pet prepares a young couple for the responsibilities of parenthood. Pets even encourage social relationships: They give their owners an appearance of friendliness, and they provide a good topic of conversation.  美国人一般都喜欢有宠物为伴,这是有原因的。研究人员发现,与动物为伍能够降低人的血压。能防止小偷及不受欢迎的访客。猫能帮忙清除家里讨人厌的害虫和有害的小动物。任何种类及大小的小宠物都能带给人们相伴与爱的感觉。很多时候,拥有一只宠物能帮助年轻夫妻做为人父母责任的准备。宠物甚至有助于人际关系:它们使主人们看起来更友善,并且也带给人们一个交谈的好话题。  Pets are as basic to American culture as hot dogs or apple pie. To Americans, pets are not just property, but a part of the family. After all, pets are people, too.  宠物是美国文化中很基本的一部分,就如热和苹果派一样。对美国人而言,宠物不仅仅是他们所拥有的一样东西而已,它是家庭的一部分。毕竟,宠物也是「人」啊! /201303/231062

Mr. Brown was ing his evening paper when there came a tremendous banging down the stairs. He jumped up, ran to the hall, and discovered his schoolboy son sprawled on the floor.布朗先生在看晚报,忽然传来一阵什么东西从楼上摔下来的响声。他跳了起来,跑到厅里,发现自己上了学的儿子四角朝天地躺在地上。;Did you miss a step?; asked his dad.“你是不是踩漏了一级台阶?”爸爸问。;No, I caught every blessed one!; came the bitter answered.“不,我每一级都撞上了,一级也没有漏掉!”儿子痛苦地回答。On those cold, rainy days when you forget your rain jacket or umbrella, and you want to stay as dry as possible, should you walk and spend more time in the rain? Or should you run, which means you’ll be hitting more rain drops from the side? Assuming you haven’t been fully soaked yet, and you aren’t jumping into the puddles. The answer is simple. As you move out of the way of one falling raindrop, you move into the way of another. So the amount of the rain hitting the top of you is constant, regardless of how fast you’re going.在那些寒冷、下雨的日子里,当你忘记带你的雨衣或雨伞而又想要尽量保持干爽时,你应该用走的,在雨中待上更多时间?或是你应该用跑的,同时也代表你会淋到更多侧边的雨滴?假设你还没有完全湿透,也不会跳进水坑。很简单,当你从一滴雨滴下移开,你也同时移入另一雨滴的路径。所以淋到你头顶的雨水量是固定的,不管你移动有多快。To see this, you can picture that the raindrop themselves are stationary, and you and the earth beneath you are moving upwards through the rain. And since the volume of a parallelepiped (that’s a 3D parallelogram) doesn’t depend at all on its slant, then no matter how fast you’re moving horizontally, the same amount of rain will land on top of you each second. Now, if you’re not moving, the rain from the top is all you’ll get. But if you are moving, you’ll also run into raindrops from the side, and you’ll get wetter.想要了解这个,你可以想象雨滴本身是静止的,而你和脚下的土地在雨中向上移动。而由于平行六面体(也就是个立体的平行四边形)的体积完全不取决于它的倾斜度,于是不管你平行移动得多快,每秒一样的雨量将会落在你的头顶上。现在,如果你不移动,从上方来的雨就是所有你会淋到的。但是如果你在移动,你也将会碰上来自侧边的雨滴,并且变得更湿。So in any given second, you stay driest by standing still, and the faster you move the wetter you become. But if you’re trying to get from point A to point B, then standing still won’t do you much good. And en route from point A to point B, the total amount of rain you run into from the side has nothing to do with how fast you’re going, just like how a snowplow will plow the same amount of snow from a stretch of road, regardless of the exact speed it drives.所以在任何一秒钟,站者不动可以让你保持最为干燥,而你移动的越快,就会变得越湿。但如果你试着从A地到达B地,那么站着不会给你多大的帮助。在A地到B地的路途上,你从侧边碰上的总雨量跟你移动的多快完全没有关系,就像是为何铲雪车不论行驶的确切速度,在一段路程上将会铲等量的雪。In the case of running through the rain, you can figure that out using parallelepipeds again. So over a given period of time, the same amount of rain will hit you from the top, regardless of how fast you’re going. And over a given distance, you’ll hit the same amount of rain from the side — again, regardless of how fast you’re going.在雨中跑步的这种情况下,你可以再次使用平行六面体来理解。所以在一段特定时间内,相同的雨量将会从上方淋到你身上,不管你移动的多快。而在一段特定距离内,你会从侧边淋到相同的雨量–同样的,不管你移动的多快。So your total wetness is equal to the wetness per second for rain from the top times the amount of time you spend in the rain, plus the wetness per meter for rain from the side times the number of meters you travel. So to stay driest getting from one point to another, you should try to minimize the amount of water falling on to you from above. And quite simply, that means getting out of the rain as fast as possible.所以你总共的淋湿程度等于每秒从顶端来的雨水造成之淋湿程度乘上你在雨中的时间,加上每公尺从侧边来的雨水造成之淋湿程度乘上你移动的公尺数。所以若要从一地到另一地时保持最为干爽,你应该试着减少从上方落到身上的水量。而很简单的,那意味着要尽快离开雨中。 /201301/222646

Aging eyes bring more than crow#39;s feet and wrinkles. It#39;s what you can#39;t see -- the health of your eyes -- that is the bigger concern, doctors say. By the age of 40, many people may begin coping with vision problems they didn#39;t have before. These might include dry eyes and presbyopia, or an inability to focus on objects that are close up, and can leave people feeling fatigued and headachy by the end of the workday. Genetics largely determines how our eyes age. But new research suggests that nutrition and environment can lessen some of the risks to eye health and vision.眼睛老化带来的不止是鱼尾纹和皱纹。医生说,人们无法直接看见的东西──你双眼的健康──才是更令人担忧的事。很多人到了40岁的年纪可能就得开始应对视力问题,而这些是他们之前从未遇到过的。这些毛病包括干眼病和老花眼,后者的症状是近距离视物困难,可能会让人在一天工作结束时感到疲劳和头痛。我们的双眼如何老化在很大程度上是由遗传决定的。但新研究表明,良好的营养和环境能减少眼睛健康和视力所面临的风险。As people get older, #39;The lens of your eye gradually loses the ability to focus in and out the way it used to,#39; said Julia Haller, ophthalmologist-in-chief at Wills Eye Institute in Philadelphia. #39;Some people refuse to wear ing glasses . . . and really fight it. They may hold out a little longer but eventually we all succumb to the inevitable.#39;费城威尔斯眼科医院(Wills Eye Hospital)首席眼科医师茱莉亚#8226;哈勒(Julia Haller)说,随着年纪的增长,“你眼睛的晶状体会逐渐丧失过去那种聚焦调节的功能。有些人拒绝佩戴老花镜……并与之斗争。你的双眼可能会再坚持一段时间,但最终,我们所有人都得向这一必然趋势低头”。While we can#39;t win against Mother Nature, some strategies can minimize the damage. Avoid self-prescribing with, say, off-the-shelf ing glasses sold at drugstores, says Gary Etting, an optometrist who specializes in vision therapy in Los Angeles. People often select glasses that appear to make things clearest, he said. But this may be a stronger prescription than they need, which can encourage their loss of focus to go faster.虽然我们不能战胜自然规律,但有些措施能减少我们受到的损害。洛杉矶专攻视觉治疗的验光师加里#8226;埃廷(Gary Etting)说,不要进行自我诊断,说什么药店里就有现成的老花镜出售。他说人们常常挑选那些貌似让视线变得最清晰的眼镜。但这种选择对他们的实际需求而言可能是一种过强的处方,会加速他们聚焦能力的丧失。Also, glasses you need for ing may be different than ones you need when using a computer, he said. #39;So people who wear their ing glasses on the computer can also be encouraging their eyes to weaken faster.#39;埃廷说,此外,你阅读时需要佩戴的眼镜和你用电脑时要戴的眼镜可能并不一样。“所以那些在用电脑时却佩戴读书镜的人也是在导致眼睛加速弱化。”Scientists have been studying ways to prevent vision problems in young people, which also might help protect eyes as they age. Two studies published in the May issue of Ophthalmology, the journal of the American Academy of Ophthalmology, suggest that spending time outdoors may help minimize or prevent nearsightedness, or myopia, in children. Myopia can be corrected with glasses or contact lenses. But it can also be a precursor to severe myopia in adulthood, which is linked to the later development of eye disorders such as glaucoma and retinal detachment.科学家一直在研究帮助年轻人预防视力问题的方法,这些方法可能在人们老了的时候也有助于护眼。在五月刊的美国眼科学会(American Academy of Ophthalmology)杂志《眼科学》(Ophthalmology)上发表了论文的两项研究表明,户外活动可能有助于儿童预防近视或缓解近视症状。近视眼可以通过佩戴框架眼镜或隐形眼镜得到矫正,但近视也会成为成年后高度近视的先兆,而高度近视又与日后的青光眼、视网膜脱落等眼疾的形成息息相关。One of the studies, involving 571 students in Taiwan, compared changes in eyesight over a year between a group of children that had outside recess and another that didn#39;t require going outdoors. The other study, in Denmark, compared detailed eye measurements of 235 nearsighted children taken during periods of longer and shorter days.其中一项研究比较了两组儿童一年中的视力变化情况,其中一组儿童进行了户外休息,而另一组却没被要求这样做,共有571名台湾学生参与了这一研究。另一项研究在丹麦进行,比较了235名近视儿童的各项眼睛参数,这些参数是在日长各异的不同时期测得的。Some researchers believe the effect could be related to oxygen exposure or the amount of light exposure causing the pupil to constrict. It could also result from children focusing at far distances for extended periods. #39;I think the conclusion we#39;re most comfortable drawing is that the jury is still out on that,#39; said Rachel Bishop, chief of consult services of the National Eye Institute, who wasn#39;t affiliated with the studies. Other possible reasons, such as greater physical activity when outside or less time spent looking at screens indoors, seem less likely, she said.一些研究人员相信,户外活动产生的影响可能与氧暴露或光照量相关,光照会令人的瞳孔收缩。这种影响的产生也可能是因为孩子们远眺的时间延长了。美国国家眼科研究所(National Eye Institute)咨询务主管雷切尔#8226;毕夏普(Rachel Bishop)说:“我认为,目前我们得出的最令人欣慰的结论就是:一切都尚无定论。”她还说,其他一些可能的原因,比如在户外进行了强度较大的身体活动或在室内盯着屏幕看的时间减少了,似乎更不可能成立。毕夏普并未参与上述两项研究。Being outdoors also presents risks. Ultraviolet-light exposure potentially causes melanoma and contributes to the development of cataracts. Damaging rays from the sun are cumulative, so experts recommend wearing protective sunglasses and hats starting at a young age. Howard Purcell, an optometrist and senior vice president of customer development at Dallas-based Essilor of America, a manufacturer of optical lenses, says sunglasses should block UV light. Look for sunglasses with an eye-sun protection factor (E-SPF) between 25 and 50, he said.呆在户外也会面临着风险。紫外线照射可能会引发黑色素瘤并助长白内障的形成。太阳长年累月地发出有害射线,因此专家们建议,人们从小就该戴上防护性太阳镜和太阳帽。总部设在达拉斯的依视路美国公司(Essilor of America)是一家光学镜片生产商,该公司客户拓展部高级副总裁、验光师霍华德#8226;珀塞尔(Howard Purcell)说,太阳镜必须要能够阻挡紫外线。他说,要挑选那些镜片防晒系数(E-SPF)在25到50之间的太阳镜。Many eye-vitamin formulations currently on the market are based on research conducted by the National Institutes of Health in a project called Age-Related Eye Disease Study, or AREDS. The first phase of the clinical trial, completed in 2001, found that a specific combination of vitamins C and E, along with beta-carotene and zinc, reduced the risk of age-related macular degeneration by as much as 25%. AMD is one of the leading causes of blindness in older people.目前市面上许多护眼维生素配方都是基于美国国立卫生研究院(National Institutes of Health)进行的一项研究制成的,该研究是一个名为年龄相关性眼病研究(Age-Related Eye Disease Study,简称AREDS)的项目的内容,其临床试验的第一个阶段于2001年完成。研究人员在该阶段发现,维生素C、维生素E按某种比例的配方组合加上β-胡萝卜素和锌将年龄相关性黄斑变性发病风险减少了25%。年龄相关性黄斑变性是老年人致盲的主要原因之一。In the second phase of AREDS, to be published in this month#39;s Journal of the American Medical Association, researchers identified additional nutritional supplements -- the carotenoids lutein and zeaxanthin, found in foods such as spinach, kale and broccoli -- that further reduce the risk and progression of AMD, especially when a person#39;s diet is aly low in these nutrients. The study found a similar beneficial effect for people with cataracts who don#39;t normally get a lot of lutein and zeaxanthin in their diet.在年龄相关性眼病研究的第二个阶段,研究人员确定了额外的营养补充元素──菠菜、甘蓝菜和西兰花等蔬菜中富含的叶黄素和玉米黄质──它们能进一步减少年龄相关性黄斑变性的发病风险、减缓病情,尤其是对饮食中上述营养素含量本来很低的人群更有效。该研究发现,这些营养素对那些日常饮食中缺乏叶黄素和玉米黄质的白内障患者有着相似的积极作用。这一研究成果发表在五月刊的《美国医学会杂志》(Journal of the American Medical Association)上。The latest part of the study, which involved about 4,000 participants, also looked at the effect of replacing beta-carotene in the supplements formulation with lutein and zeaxanthin because of studies that found former smokers who take beta-carotene have a higher incidence of lung cancer. Researchers found a 20% improvement in progression to advanced AMD with the replacement, said Emily Chew, deputy director of epidemiology and clinical application for the National Eye Institute, a branch of the National Institutes of Health.这项研究的最后一部分共涉及约4,000名参与者,它探讨了用叶黄素和玉米黄质来代替补充配方中β-胡萝卜素的影响,因为众多研究表明,曾经是烟民的人摄入β-胡萝卜素后,罹患肺癌的风险会更高。美国国家眼科研究所流行病学与临床应用部门副主任埃米莉#8226;周(Emily Chew)说,研究人员发现,在用替代营养素后,有20%的患者病变至年龄相关性黄斑变性晚期的过程有所改善。美国国家眼科研究所是美国国立卫生研究院的一个分机构。Dr. Chew said the AREDS study researchers recommend replacing the beta-carotene in supplements with lutein and zeaxanthin. Benefits from the supplements have been found only in people who are at high risk for advanced AMD or aly have it in one eye.周士说,年龄相关性眼病研究的工作人员建议用叶黄素和玉米黄质来替代补充配方中的β-胡萝卜素。但该配方的益处仅仅只在那些晚期年龄相关性黄斑变性高发人群或者已有一只眼患上此疾的病人身上显现。Some eye experts say omega-3s, found commonly in fish and nuts, appear to play a protective role in eye health with both the retina and cornea. This includes help with the dry eyes that many people, especially women, experience in their 50s. Anne Sumers, a spokeswoman for the American Academy of Ophthalmology and a practicing ophthalmologist in Ridgewood, N.J., said consuming flax seed, either as a pill or sprinkled on food, can help treat dry eyes.一些眼科专家说,常见于鱼类和坚果中的Ω-3脂肪酸看来能对包括视网膜和角膜在内的眼部健康起到保护作用,包括对干眼病也有帮助。许多人在进入50岁后就易患上干眼病,尤其是女性。美国眼科学会(American Academy of Ophthalmology)发言人、新泽西州瑞吉伍德市(Ridgewood)执业眼科医师安妮#8226;苏美尔(Anne Sumers)说,进食亚麻籽,不论是吃药片还是把亚麻籽撒在食物上吃,都有助于治疗干眼病。Too much time staring at electronic screens has given rise to another problem: computer-vision syndrome. To relax the eyes, some experts recommend that for every 20 minutes spent staring at a computer, people should take a break for 20 seconds and look at least 20 feet away, ideally out a window.长时间盯着电子屏幕看也引发了另一个问题:电脑视觉综合症。一些专家建议,为了放松双眼,人们在盯着电脑工作的时候,应该每隔20分钟就休息20秒、并远眺至少20英尺,最好是看看窗外。The decision to go to an optometrist versus an ophthalmologist is a personal one. Ophthalmologists are medical doctors who spend most of their time managing eye diseases and performing surgeries rather than prescribing eyeglasses. Optometrists#39; main focus is prescribing eyeglasses, as well as screening for eye diseases. If getting an eye checkup, be sure -- particularly if you#39;re 40 and over -- that the optometrist does a comprehensive dilated eye exam to observe the pupil opened up in order to see the retina.至于到底是去看验光师还是眼科医生,这就看个人选择了。眼科医师是医学士,他们将大部分时间都花在治眼疾、做手术上而非配眼镜上。验光师则专注于校配眼镜,他们也负责检查眼疾。如果想要进行一次眼科检查──尤其是如果你已年届40或年过40的话──那一定要验光师实施全面的散瞳眼底检查,即观察放大后的瞳孔以检查视网膜的情况。 /201305/240715Public speaking is a regular — and regularly feared — part of life, so it#39;s important to refine your skills. Here are four tips to help you polish your public speaking。公众演讲是经常要做的事,也是生活中经常让人胆怯的一件事,所以提高演讲能力很重要。下面有四个小建议可以帮你。1. Assess yourself. What part of public speaking makes you nervous? Where have you slipped up in the past? One reason public speaking is so nerve-racking is because there#39;s so much to manage — your presence, your words, your delivery, and your reaction. Determine your weakest points, from stuttering to stiff hands, in order to tailor your speech improvement。1. 评估自己。公众演讲的哪部分会让你紧张?你以前在哪里出过差错?很多人会在公众演讲时感到紧张是因为他们想要控制太多的东西,包括仪态、语言、传达的信息和反应。为了有针对性的提高演讲能力,你需要判断出自己最薄弱的地方。2. Find opportunities to practice. It#39;s hard to feel confident about speaking if it#39;s something you rarely do, so look for the chance to polish your technique in everyday life. At a dinner party? Offer to give the toast. Working on a new project at the office? Present it at the weekly staff meeting. Public speaking is like anything else: the more you do it, the better you#39;ll become。2. 找机会练习。如果你不经常演讲,那演讲时就不容易产生自信。所以在日常生活中要找机会练习演讲技能。要出席晚宴?主动请缨做司仪吧。办公室接手了新项目?在每周的员工例会上做汇报吧。公众演讲就像其他任何事一样,需要熟能生巧。3. Dress the part. Confidence is crucial, and you#39;ll be much more sure of yourself if you know that your appearance conveys a sense of authority. It#39;s important to look put-together, and the focus should be on your words, not your outfit。3. 注重穿着。自信很关键,而且当你知道自己穿着传达出“权威”的信息时,你也会更相信自己。合适的着装非常重要,而且(听众的)注意力应该集中在你的言语上,而不是你的装上。4. Prepare, prepare, prepare. Begin with standard prep techniques, like writing note cards and practicing in front of your friends, but also take the time to do some research. Find out as much as you can about your audience, the environment, and the tools and media that will be available. Most importantly, be sure that you#39;re achieving what was asked of you — confirm that you#39;re answering the right question and fulfilling the expectations of your audience。4. 精心准备。以标准的演讲技巧开始准备,比方说写提示卡和在朋友面前练习,但是也要花点时间做调查。尽你所能找出有关听众、环境、工具和可用媒体的信息。最重要的是,你要确保在演讲时回答了听众所提出的问题,满足了听众的需求。Above all else, learn to relax. Everyone understands the stress and pressure involved with public speaking, so know that your audience will be empathetic toward your efforts. Just remember the basics — to stand up straight, smile, and make eye contact — and be yourself, because genuine enthusiasm are key to making great connections。无论如何,提高演讲能力的首要要素还是放松。每个人都理解公众演讲时的压力,所以听众也会对你所做出的努力报以尊重。只要记住基本的原则——站直、微笑、眼神接触——并且做你自己,因为真诚的热情是促进良好交流的关键。 /201302/224885

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