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
Once upon a time, you believed in the tooth fairy. You counted on the stability of housing prices and depended on bankers to be,
Once upon a time, you believed in the tooth fairy. You counted on the stability of housing prices and depended on bankers to be,
admin
2012-10-20
21
问题
Once upon a time, you believed in the tooth fairy. You counted on the stability of housing prices and depended on bankers to be, well, dependable. And you figured that taking vitamins was good for you. Oh, it’s painful when another myth gets shattered. Recent research suggests that a daily multivitamin is a waste of money for most people—and there’s growing evidence that some other old standbys may even hurt your health.
Last year, researchers published new findings from the Women’s Health Initiative, a long-term study of more than 160,000 midlife women. The data showed that multivitamin-takers are no healthier than those who don’t pop the pills.
Vitamin supplements came into vogue in the early 1900s, when it was difficult for most people to get a wide variety of fresh fruits and vegetables year-round. Back then, vitamin-deficiency diseases weren’t unheard-of: the bowed legs and deformed ribs of rickets (caused by a severe shortage of vitamin D) or the skin problems. But these days, you’re extremely unlikely to be seriously deficient if you eat an average American diet. Most of us could do with a couple more daily servings of produce, but a multi doesn’t do a good job at substituting for those. Experts say multivitamins have maybe two dozen ingredients--but plants have hundreds of other useful compounds. If you just take a multivitamin, you’re missing lots of compounds that may be providing benefits.
Another myth about vitamin is that vitamin C could prevent colds. Today, drugstores are full of vitamin C-based remedies. Studies say: Buyer, beware. Recently, researchers analyzed a raft of studies going back several decades and involving more than 11,000 subjects to arrive at a disappointing conclusion: Vitamin C didn’t ward off colds, except among marathoners, skiers, and soldiers on subarctic exercises.
Then can the vitamin cut the length of colds? Yes and no. Taking the vitamin daily does seem to reduce the time you’ll spend sniffling--but not enough to notice. Adults typically have cold symptoms for 12 days a year; a daily pill could cut that to 11 days. Kids might go from 28 days of runny noses to 24 per year. The researchers conclude that minor reductions like these don’t justify the expense and bother of year-round pill-popping (taking C only after symptoms crop up doesn’t help).
Some people would think that vitamin pills might not help you, but they can’t hurt either. However, a series of large-scale studies has turned this thinking on its head. Studies have raised concerns that taking high doses of folic acid could raise the risk of colon cancer. Still others suggest a connection between high doses of some vitamins and heart disease.
Some expert says vitamins are safe when you get them in food, but in pill form, they can act more like a drug—with the potential for unexpected and sometimes dangerous effects.
What’s experts’ opinion about taking vitamin pills?
选项
A、It is safe for our health.
B、It does more good than harm.
C、It may bring us some side effects.
D、It will reduce the length of colds.
答案
C
解析
观点态度题。考查专家们对食用维生素片的看法,定位到最后一段,文章末段指出专家们认为食用食物中维生素是安全的,但是维生素片就有可能有害身体健康。因此C选项正确。
转载请注明原文地址:https://kaotiyun.com/show/UGhK777K
0
专业英语四级
相关试题推荐
WhichofthefollowingisNOTinthesixArabcountriesconductingapublicopinionpoll?
Accordingtothispassage,theRomansoldiersmainlydependedupon______tosendtheirmessages.
Filmhaspropertiesthatsetitapartfrompainting,sculpture,novels,andplays.Itisalso,initsmostpopularandpowerful
Howlonghasthemansufferedfromthesymptomshedescribed?
Howlonghasthemansufferedfromthesymptomshedescribed?
Thehighschoolmydaughterstudiesinis______ouruniversity.
Theeffectofthebabyboomontheschoolshelpedtomakepossibleashiftinthinkingabouttheroleofpubliceducationinthe
______beforewedepartthedayaftertomorrow,weshouldhaveawonderfuldinnerparty.
Researchershavefoundexperimentalevidencethatatouchcanbeworthathousandwords.MatthewJ.Hertenstein,aprofessorof
Thecityhasmuchmorebridgesthan______inthecountry.
随机试题
轻度脱水失水量约为体重的()左右。
感性认识和理性认识统一的基础是()。
男性,37岁。2天前因天气炎热长时间吹空调后出现咳嗽。咯吐白稀痰,自服甘草片后症状缓解不明显。遂来诊,刻下症见:咳嗽声重,咯吐白痰,咽痒伴鼻塞,流清涕,恶寒无汗,舌苔薄白,脉浮紧。治法宜选用()。
某建设项目设备工器具购量费为3000万元,建筑安装工程费为2000万元,工程建设其他费用为700万元,基本预备费250万元,涨价预备费为120万元,建设期贷款利息为150万元,铺底流动资金为100万元,则该项目的固定资产投资为()万元。
在下列各项中,属于注册会计师及其所在的会计师事务所可依法承办的审计业务有()。
以下关于非居民企业承包工程作业和提供劳务所得表述正确的有()。
教育行动研究的优点不包括
OneoftheoddstoriestocomeoutoftheFrench-speakingprovinceofQuebeclastyearwastheannouncementthatintensiveEngli
Howcanwegetridofgarbage?Dowehaveenoughenergysourcestomeetourfutureenergyneeds?Thesearetwoimportantque
Didyoueverhavesomeone’snameonthetipofyourtongueandyetyouwereunabletorecallit?(1)_____thishappensagain,do
最新回复
(
0
)