首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
When researchers come up with a new treatment that makes us feel or work better, it’s usually not just the truly sick who end up
When researchers come up with a new treatment that makes us feel or work better, it’s usually not just the truly sick who end up
admin
2013-06-02
66
问题
When researchers come up with a new treatment that makes us feel or work better, it’s usually not just the truly sick who end up going in for an upgrade. The progress in developing treatments for illnesses that ravage memory and thought raises an important question: might the same tools be used to improve the functioning of minds that by most standards are already running fairly smoothly? We may well be approaching an era of designer brains, in which those of us feeling a little foggy or dull can have our IQ, fast recall, and self-confidence inflated up via the prescription pad. "Some brain-related conditions we think of as ordinary, "says one researcher, "may eventually become disorders, too"—including perhaps less-than-razor-sharp thinking.
The notion of a prescription IQ lift is hardly new. According to polls, about one in 20 college students, and higher percentages of professors, already illicitly pop some form of Ritalin or Modafinil—legitimately prescribed for attention-deficit disorder and narcolepsy (嗜睡症), respectively—to augment alertness, concentration, and memory. But these drugs have proved only mildly effective on normal minds, and carry potentially severe side effects ranging from addiction to overstimulation.
Scientists had originally hoped that the decoding of the human genome would lead quickly to small groups of genes that control major mental disorders and traits, be they Alzheimer’s disease (老年痴呆症), intelligence, or personality. That hasn’t been the case; individual genes turn out in most cases to only weakly affect the brain, with most illnesses emerging from the interaction of large, complex networks of hundreds of genes.
That challenge hasn’t kept researchers from tracking down many of the genes in these networks to chip away at the genetic roots of mental disorders—and to come up with possible treatments based on some of those findings. The result is that medicine may allow us to challenge our genetic inheritance and repair environmental insults to the brain, whether as Alzheimer’s sufferers or just moody, forgetful people and hazy thinkers. Techniques undergoing testing now include altering genes within brain cells, or even pushing genes into creating altogether new brain cells. Neurologix in Fort Lee, New Jersey, for example, is developing brain-related gene therapies, which involve injecting harmless viruses that insert custom-built genes into cells. Though other experimental gene therapies have in the past often caused severe and even fatal side effects, Neurologix hopes to avoid them by targeting the viruses only at those cells that need repairing.
In Fact, We won’t necessarily have to turn to these more radical therapies to sharpen our thinking. The genetic and other new scientific insights into the brain are also helping to point the way to new drugs targeted at brain disorders— drugs that may also end up being taken as smart drugs by many of us without serious disorders.
What does the first sentence of the passage imply?
选项
A、Researchers always bring forth new and upgraded cures for illness.
B、Sick people are anxiously looking forward to new treatments.
C、Normal people tend to use the new treatment to be healthier.
D、New and upgraded treatment should make us feel or work better.
答案
C
解析
根据题干关键词the first sentence定位到全文第一句:When re-searchers come up with a new treatment that makes us feel or work better,it’s usually not just the truly sick who end up going in for an upgrade.当研究人员发现新疗法的时候,不只是生病的人在追求尝试这些新疗法。由此推断,那些没有生病的正常人也经常会去买这些新药来让自己更健康、聪明。
转载请注明原文地址:https://kaotiyun.com/show/BrB7777K
0
大学英语六级
相关试题推荐
TheOnlyChild;RevealingtheMythsAccordingtotheGuttmacherInstitute,aleadingreproductive-healthresearchorganizati
TheOnlyChild;RevealingtheMythsAccordingtotheGuttmacherInstitute,aleadingreproductive-healthresearchorganizati
Here’smoreproofthatmostpeoplehavehabitsthataren’tveryhealthful—andsometimescanbeplaindisgusting.Forastud
Formostpeople,fatisaburden.Itdoesntreallymatterwhereitappears,wejustdon’twantit.Butitturnsoutthatourbo
Olderpeoplewhoholdtemporaryorpart-timejobsafterretirementenjoybetterphysicalandmentalhealththanthosewhostopw
I’drather______(你坚持自己的原则).Youdon’thavetoalwaysagreewiththeauthority.
A、Watchingthefootballgameonspot.B、WatchingthefootballgameonTV.C、Readingthecommentsonthefootballgame.D、Discuss
A、Walkingthedog.B、Cuttingthegrass.C、Watchingthechildren.D、Feedingthefish.B问题是关于替别人看房子的责任是什么。男士认为,“IguessIt’slittl
Whethertheeyesare"thewindowsofthesoul"isdebatable;thattheyareintenselyimportantin(36)______communicationisa
A、Thelongwait.B、Themistakesinhertelephonebill.C、Thebroken-downcomputer.D、Thebadtelephoneservice.A对话中女士提到,I’vebe
随机试题
钻孔时,可以用手拿着工件钻孔。()
男性患者,52岁,出现黑便,查体见蜘蛛痣及肝掌,该患者的黑便是由于
患儿,女,5岁。因右侧腮部肿痛5天就诊。现证见腮部漫肿,灼热疼痛,咀嚼时尤甚,精神倦怠,高热头痛,咽喉红肿,大便干结,小便短赤,舌质红,苔黄腻,脉滑数。治疗首选方剂是( )。
A.只准从事医疗业务B.只准从事预防业务C.可以从事相应的医疗、预防、保健业务D.不得从事医师执业活动E.可以重新申请医师执业注册因受刑事处罚被注销注册的,自刑罚执行完毕之日起满二年的
基金宣传推介材料允许()。
从所给四个选项中,选择最合适的一个填入问号处,使之呈现一定的规律性:
能够从上述资料中推出的是()。
A.noxiousB.demandsC.inthefutureD.intensifiedPhrases:A.agriculturewillhavetobe【T13】______________
Itisanunfortunatefactoftoday’slifethatmostpeoplearegrowingupunabletoseethestars.Theprimenightskyexistson
Wewaitedforthedecisionforthewholeafternoon,only______toreturnthenextday.
最新回复
(
0
)