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禅城区治疗膀胱炎多少钱佛山新世纪医院属于私立还是公立?佛山治疗前列腺炎哪家医院比较好 Long Live Us人类万岁About a century ago, the average life-span for Americans was about 50 years. Today, the typical American lives for around seventy-eight years.约一个世纪以前,美国的人均寿命是50岁左右。如今,美国一般都能活到78岁左右。According to a German aging study, the maximum life span in industrialized countries has increased by two years every decade since the mid 19th century. What accounts for such increased longevity?德国一项关于寿命的研究指出,19世纪中叶以来工业化国家人口的最高寿命增长迅速——每十年人们的最高寿命就会增长两岁。是什么让人们的寿命增长的如此之快呢?Between 1900 and 1950, inventions such as refrigeration and sewage treatment meant that young people were able to survive longer. Moreover, medical breakthroughs helped contain diseases such as polio, which killed many children. These advances helped increase the average life span.1900年至1950年期间,制冷技术及污水处理的发明便意味着年轻的一代能活得更久。再者,医疗水平的重大突破对一些疾病起到了很好的控制作用,例如夺去许多儿童生命的小儿麻痹症。社会的这些进步都有助于提高人类的平均年龄。Medical discoveries after World War II tended to benefit older people. Treatments for heart disease, for example, have allowed the elderly to live longer on average. So does this mean that future medical breakthroughs will result in even longer average life spans, or have we reached our limit? Scientists disagree.二战后的科学研究都倾向于“造福”老年群体。就拿对心脏病的治疗来说,就大大提高了老年人的平均寿命。那我们是不是就可以由此推出——日后的医学突破将会使人类的平均寿命再得到延长,或是,人类已经达到了生命的极限?科学家对此持否定看法。Some argue that if science is one day able to eradicate disease and old-age infirmity, there will be virtually no limit on how long humans can live. Some even predict that by the year 2150, the average life span will have increased to around 120 years.有人认为,如果科学能够消除一切疾病以及年老体衰,那么人类的寿命就没有了限度。更有甚者,有人预测到2150年,人类的平均寿命将会达到惊人的120岁。Other life-expectancy researchers find that scenario highly unlikely. Our bodies cells can keep reproducing for only so long before they peter out. Only when science finds a way to keep our cells dividing longer will we see another significant leap in life expectancy.其他的寿命研究人员认为这样的假设是不可能的。人体细胞只能在细胞数量逐渐减少前不断进行复制。除非科学家们找到方法延长细胞分裂时间,人类的平均寿命才可能再有一次突飞猛进。Still, with plenty of exercise and a healthy diet, those so inclined can always hope that theyll live long enough to break the record held by Jeanne Louise Calment of France, who lived to be 122.当然,那些赞成此种观点的人也可以怀抱这样的一份希望——坚持锻炼,养成健康的饮食习惯,打破法国Jeanne Louise Calment老人122岁的长寿记录。 /201211/211588佛山市顺德区中医院医院预约

佛山前列腺炎哪家医院最好Now from the Boston Museum of Science, Sci-tech today on NECN.有线新闻,波士顿消息,欢迎收看今天的Sci-tech Today。There are so much in the news about flu vaccines these days, how exactly do they work? Joining us now from the Museum of Science Boston is Anita Loughlin from the Boston University School of Medicine, good to have you here.最近有许多关于流感疫苗的消息,疫苗究竟是如何预防疾病的?今天来自波士顿大学医学院的Anita Loughlin将向我们做详细介绍。你好。Thank you, nice to be here.谢谢,很高兴参加这期节目。Why do people need to get immunized? What is the history of immunization in this country?为什么人类需要免疫系统?美国的免疫史是怎样的?The prevention of vaccine-preventable diseases/serious diseases has been the number one accomplishment of vaccines in the 20th century. Weve therefore controlled small pox, weve um... eradicated polio from the Americans, we controlled diseases like measles,tetanus, diphtheria, and news diseases that were controlling now are things like hemophilus influenzae, which caused a lot of meningitis, 20,000 cases each year as early as 1990. We vaccinate people for two reasons, one, to keep the individual healthy, and the second reason is, if we vaccinate more people, there is actually barriers and so that we can actually prevent the sp of disease in the community, thats called herd immunity. And we do that, so that we can prevent people that are at high risk for complications.通过疫苗来防御疾病,尤其是严重疾病是20世纪最伟大的成就。我们现在消除了小儿麻痹症,控制了天花,麻疹,破伤风,白喉等疾病,最近还控制了能引起髓膜炎的嗜血杆菌流感,自1990年以来,控制病例达20,000之多。人类打疫苗有两个原因,第一,是为了个人的身体健康,第二,是为了防止疾病传播,这叫做群体免疫。这么做,我们就能降低人类得病的机率。What can you tell us about the H1N1 vaccine and the reasons for having two vaccines this year?你能告诉我们H1N1流感疫苗的情况吗?为什么今年会有两只流感疫苗?Well, the reason for having two vaccines this year is, well, every year we actually make a new seasonal flu vaccine, the strain of seasonal flu that circulates every year changes a little bit by what is called antigenic drift, and so every year there is a global surveillance, and the manufacturers have to look and see what strain is circulating, and they put those strains into the vaccine, the best match those that are circulating, so every year we make a new flu vaccine. The H1N1 strain started circulating a little bit later than we could do it to get it into the annual this flu vaccine, so they actually made a new vaccine. Now they made that vaccine in exact same way they made the seasonal flu vaccine, they use the exact same equipment, the exact same manufactures, the exact same testing procedures.为什么今年会有两只流感疫苗呢,事实上,每年我们在研制疫苗的时候,会发现每年当季传染病的主要病毒会稍有不同,学名称作“抗原漂移”,所以每年我们都会调查当季的病毒,工厂也需要调查主要病毒,将病毒加入疫苗中,病毒每年都在循环变化,所以我们每年都在制作新的疫苗。现在,他们研制疫苗的方式正是我们当初研制疫苗的方式,他们和我们使用的是同样的设备,同样的工艺,同样的程序。Does the HPV vaccine works the same way that the flu vaccines work?疫苗和病毒发挥作用的原理一样吗?They all work in a similar way in a sense that our body is producing antibodies to prevent either the attachment of the virus to ourselves or to, be able to remove that virus more quickly from our body in preventing affection.疫苗和病毒发挥作用的原理是相同的,疫苗是通过刺激机体产生抗体来防御病毒或更快地从人体中移除病毒来预防病毒。And is that only for females?只需要向女性注射疫苗吗?No, the reason why the HPV virus is actually sp, is that they were targeting in sp by sexual transmission, so you are right, if we want to, to sp , prevent to sp it in poplulation, we would give it to both males and females. The reason why women and girls are in targeted, it is because cervical cancer is the number two cause of cancer in the ed States, causing about ten thousand new cases per year, and about three thousand thirty seven hundred death per year. And the prevention of cervical cancer is the reason why its been targeted towards women. Now In the new vaccines, they also prevent other HPVs, once they cause genital warts and papillomas of respiratory track and papillamas in the respiratory track of young children born into women with genital warts. Those vaccines are 90% affective, are preventing these genital warts and these other things. And they also seems to be affective and preventing other genital cancers and heading that cancers that affect both men and women, so now in just recently Otocber , the gardasil vaccine has been licensed and recommended for boys and young men.不,HPV病毒传播的途径是性传染途径,如果想防止HPV病毒传播,就要向男性和女性都注射疫苗。主要向女性宣传,是因为宫颈癌是美国第二大癌症,每年造成1万女性患病,三万三千七百女性死亡。宫颈癌病发在女性也是原因之一。一旦病毒造成妇生殖器疣和呼吸道乳头状瘤,新型疫苗可以预防HPV病毒感染腹中胎儿。疫苗能90%有效地防止生殖器疣等病发症,预防男性和女性感染病毒。年10月,疫苗经过批准使用,收到了青年男士女士的青睐。All righty, Doctor, Anita Loughlin of the Boston University School of Medicine, thanks for joining us.好的,感谢波士顿大学医学院的士Anita Loughlin的精介绍。small pox: 天花polio: n. 小儿麻痹症,脊髓灰质炎measle: n. [动]囊尾蚴tetanus: n. 破伤风diphtheria: n. 白喉hemophilus: 嗜血杆菌meningitis: n. 髓膜炎herd immunity: 群体免疫,人群免疫antigenic drift: 抗原性漂移cervical cancer: 子宫颈癌papilloma: n. 乳头肿genital: n. 生殖器wart:n. 疣,瘿respiratory track: 呼吸道注:本篇文章英文来自普特论坛,译文属原创,,。201206/185799佛山治疗少精症费用高吗 佛山顺德医院要预约吗

佛山市第三人民医院男科专家挂号Few have witnessed this moment, for the male, his only tender encounter in the otherwise solitary life . But it doesnt last long , a rival suitor has also caught the female scent ,catch ,pass me ,put on hold, he must fight for his rights.He sees off the first challenge without injury to either party,but bloodier battles are to come. Another battle won, though he has been slightly injured ,he headed back to his mate, but now she seems to have lost enthusiasm, female polar bears are high maintenance .Wherever she goes ,she will follow ,mating with her when she allows and guarding her at all times .Over the next two weeks, the male sees off many rivals ,but the battles take that toll of them ,he is almost spent, but he isnt sure that no other bear has mate it with his female.有一些动物目睹了这一刻,而那位追逐的男性,他唯一的温柔遇到离群索居的生活。但这不会持续太久,对手也被女性的香味吸引,要想过去就必须过我这关,他要为自己的权利而战。他的第一个挑战没有让他受伤,但血腥的战斗马上就要来到。赢得了另一场战斗,尽管他稍微受了一点伤,他仍然朝伴侣走去,但现在她似乎已经失去了,因为母北极熊极为高调。无论她走到哪儿,他都会跟随,交配,她会允许及保护她。接下来的2周,男性将会同许多对手战斗,人数上不占优势,而且他几乎精疲力竭,但他并不确定其他的熊是否对他的伴侣感兴趣。注:听力文本来源于普特201201/167297 佛山早泄治疗价格是多少容桂医院要预约吗

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