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HEALTH REPORT - Caffeine Withdrawal

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HEALTH REPORT - Caffeine Withdrawal1
By Jerilyn Watson

Broadcast: Wednesday, January 12, 2005

I'm Gwen Outen with the VOA Special English Health Report.

Coffee, tea and soft drinks usually contain caffeine. Caffeine is also found in chocolate, in medicine for colds and in drugs that keep people awake.

In the United2 States, adults who use products with caffeine get an average of about two hundred eighty milligrams a day. This equals the caffeine in about two large cups of coffee. A report this month in the Journal3 of the American Dietetic Association4 says adults drink nearly half the coffee they did fifty years ago. But they still get most of their caffeine from coffee.

In general, the more people drink, the more severe5 the effects if they miss a day. Yet a recent report says people who drink as little as one cup of coffee a day can become dependent6 on caffeine. In fact, it says caffeine withdrawal should be listed as a mental disorder7.

Researchers examined more than sixty studies on caffeine withdrawal from the last one hundred seventy years. They identified several common effects, such as headaches and sleepiness. Some people have difficulty8 thinking. Others get angry easily or become very sad.

The researchers found that half the people suffered headaches if they did not have caffeine. Thirteen percent had a more serious problem. They were unable to work or do other normal activities. These problems generally resulted twelve to twenty-four hours after stopping caffeine.

Ronald Griffiths of Johns Hopkins University in Baltimore, Maryland, led the study. He noted9 that caffeine is the most commonly used stimulant10 in the world. A stimulant produces a temporary increase in energy.

The good news is that people can free themselves of caffeine dependence11. The researchers say people should slowly reduce the amount of caffeine in their diet. The report appeared in the journal Psychopharmacology.

The report published by the dietetic association is based on a national continuing study of what Americans eat. Researchers from the University of Vermont and the University of Maryland say almost ninety percent of adults have caffeine in their diet. So do seventy-six percent of children, mostly from soft drinks.

After coffee, tea used to provide the second most caffeine for men age eighteen to fifty-four and women eighteen to thirty-four. But tea is now third behind soft drinks.

This VOA Special English Health Report was written by Jerilyn Watson. I'm Gwen Outen.


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1 withdrawal Cfhwq     
n.取回,提款;撤退,撤军;收回,撤销
参考例句:
  • The police were forced to make a tactical withdrawal.警方被迫进行战术撤退。
  • They insisted upon a withdrawal of the statement and a public apology.他们坚持要收回那些话并公开道歉。
2 united Yfmz2c     
adj.和谐的;团结的;联合的,统一的
参考例句:
  • The whole nation is closely united.全国人民紧密团结。
  • The two men were united by community of interests.共同的利益使两个人结合在一起。
3 journal g3Ex2     
n.日志,日记;议事录;日记帐;杂志,定期刊物
参考例句:
  • He kept a journal during his visit to Japan.他在访问日本期间坚持记日记。
  • He got a job as editor of a trade journal.他找到了一份当商业杂志编辑的工作。
4 association 6O1yp     
n.联盟,协会,社团;交往,联合;联想
参考例句:
  • Our long association with your company has brought great benefits.我方和贵公司的长期合作带来了巨大的利益。
  • I broke away from the association ten years ago.我10年前就脱离了那个团体。
5 severe dzowJ     
adj.严格的,凶猛的,严肃的,严重的,严厉的,朴素的
参考例句:
  • The severe storm did for most of the crops.猛烈的暴风雨毁掉了大部分庄稼。
  • The pace was too severe to be kept up for long.跟上这步伐太难了,无法持久。
6 dependent gm6z5     
adj.依靠的,依赖的,依赖他人生活者
参考例句:
  • He has a mother completely dependent on him.他有一个完全靠他赡养的母亲。
  • The country is dependent on foreign aid.这个国家靠外援生存。
7 disorder Et1x4     
n.紊乱,混乱;骚动,骚乱;疾病,失调
参考例句:
  • When returning back,he discovered the room to be in disorder.回家后,他发现屋子里乱七八糟。
  • It contained a vast number of letters in great disorder.里面七零八落地装着许多信件。
8 difficulty pvUxW     
n.困难,费劲;难事,难题;麻烦,困境
参考例句:
  • If there is any difficulty,please let us know promptly.倘有困难,请迅速通知我们。
  • A little difficulty like this is nothing to us.这点困难算不了什么。
9 noted 5n4zXc     
adj.著名的,知名的
参考例句:
  • The local hotel is noted for its good table.当地的那家酒店以餐食精美而著称。
  • Jim is noted for arriving late for work.吉姆上班迟到出了名。
10 stimulant fFKy4     
n.刺激物,兴奋剂
参考例句:
  • It is used in medicine for its stimulant quality.由于它有兴奋剂的特性而被应用于医学。
  • Musk is used for perfume and stimulant.麝香可以用作香料和兴奋剂。
11 dependence 3wsx9     
n.依靠,依赖;信任,信赖;隶属
参考例句:
  • Doctors keep trying to break her dependence of the drug.医生们尽力使她戒除毒瘾。
  • He was freed from financial dependence on his parents.他在经济上摆脱了对父母的依赖。

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