HEALTH REPORT - Scientists Find New Clue about Acupuncture

时间：2006-03-01 16:00:00

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HEALTH REPORT - Scientists Find New Clue about Acupuncture¹
By Jerilyn Watson

Broadcast: Wednesday, March 17, 2004

This is the VOA Special English Health Report.

A Chinese book on the ancient practice of acupuncture.
American researchers have reported progress in learning how the ancient traditional Chinese method of acupuncture fights pain and other conditions. During acupuncture, very small, sharp needles are placed in the skin at targeted points on the body. Bruce Rosen presented an acupuncture study at a meeting of the American Psychosomatic Society in Orlando, Florida. Doctor Rosen is with the Harvard Medical School in Boston, Massachusetts.

Doctor Rosen reported that the study findings could show how the brain might help people suffering from a number of health problems. These include pain, unexplained worry and sadness and some disorders² of the stomach and intestines³. The findings also may aid people who are fighting dependence⁴ on substances like illegal drugs.

Doctor Rosen led a team that studied about twenty healthy people. The team examined the people with functional⁵ magnetic resonance⁶ imaging devices. MRI's can show changes in the flow of blood and the amount of oxygen in the blood. They studied the people before, during and after acupuncture. The researchers placed acupuncture needles in the skin on the peoples' hands. They chose places linked to pain relief in traditional Chinese acupuncture.

Most of the people reported that their hands felt heavy after the needles were placed. Blood flow to some areas of the brain decreased quickly in these people. Doctor Rosen said that was a sign that the acupuncture was working correctly.

But a few of the people said their hands hurt. Their needles were probably not placed correctly. Their MRI's showed an increase in blood in the same areas of the brain where the other people showed a decrease.

Doctor Rosen reported that this means that acupuncture eased the work of the brain. The affected⁷ brain areas are the forebrain, the cerebellum and the brainstem. They help control pain and emotions. These areas have a rich supply of a chemical called dopamine.

Doctor Rosen said the reduced blood flow may lead to changes in dopamine. This, in turn, leads to a reaction that releases endorphins. These brain chemicals reduce pain and help fight feelings of sadness.

Jerilyn Watson wrote this VOA Special English Health Report.

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1 acupuncture
n.针灸，针刺法，针疗法
参考例句：
Written records show that acupuncture dates back to the Song Dynasty.文字记载表明，宋朝就已经有了针灸。 It's known that acupuncture originated in China.众所周知，针灸起源于中国。

2 disorders
n.混乱( disorder的名词复数 )；凌乱；骚乱；（身心、机能）失调
参考例句：
Reports of anorexia and other eating disorders are on the increase. 据报告，厌食症和其他饮食方面的功能紊乱发生率正在不断增长。来自《简明英汉词典》 The announcement led to violent civil disorders. 这项宣布引起剧烈的骚乱。来自《简明英汉词典》

3 intestines
n.肠( intestine的名词复数 )
参考例句：
Perhaps the most serious problems occur in the stomach and intestines. 最严重的问题或许出现在胃和肠里。来自辞典例句 The traps of carnivorous plants function a little like the stomachs and small intestines of animals. 食肉植物的捕蝇器起着动物的胃和小肠的作用。来自辞典例句

4 dependence
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。

5 functional
adj.为实用而设计的，具备功能的，起作用的
参考例句：
The telephone was out of order,but is functional now.电话刚才坏了，但现在可以用了。 The furniture is not fancy,just functional.这些家具不是摆着好看的，只是为了实用。

6 resonance
n.洪亮；共鸣；共振
参考例句：
Playing the piano sets up resonance in those glass ornaments.一弹钢琴那些玻璃饰物就会产生共振。 The areas under the two resonance envelopes are unequal.两个共振峰下面的面积是不相等的。

7 affected
adj.不自然的，假装的
参考例句：
She showed an affected interest in our subject.她假装对我们的课题感到兴趣。 His manners are affected.他的态度不自然。

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