糖與記憶的關系
文章來源:未知 文章作者:enread 發布時間:2020-03-26 06:38 字體: [ ]  進入論壇
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Sugar On The Brain 大腦中的糖
It’s long been understood that there is a connection between memory problems and diabetes1, a disorder2 characterized by excessively high blood sugar. Sugar provides the body with fuel for various processes, including memory processing. In fact, glucose3 carried in the blood stream supplies the brain with 90 percent of the energy it requires to function properly.
In order to fuel those processes glucose has to get from the blood to the tissues, where it can be broken down and put to work. High blood sugar levels, such as in diabetes, are an indicator4 that a body is experiencing difficulty moving sugar from the blood to the tissues.
However, some non-diabetics have a less severe form of high blood sugar, a condition called impaired5 glucose tolerance6. And it is this condition that seems to be the cause of memory problems in a significant number of non-diabetic elderly people who experience memory difficulties.
 
Sweet Nothings 沒什么用的糖
Subjects were given glucose intravenously, and then researchers measured how quickly glucose moved from the blood to the tissues. Next the subjects were tested for overall cognitive7 functioning and the ability to recall short paragraphs. The results? Subjects who scored lowest on memory recall tests also showed impaired glucose tolerance.
In addition, brain scans demonstrated that these same subjects each had a significantly smaller hippocampus, a brain area important to learning and memory. The researchers hypothesize that impaired glucose tolerance may over time cause damage and atrophy8 to the hippocampus.
What can a body do to prevent this? A healthy diet and exercise can help maintain good glucose tolerance, perhaps preventing gradual memory decline.


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1 diabetes uPnzu     
n.糖尿病
參考例句:
  • In case of diabetes, physicians advise against the use of sugar.對于糖尿病患者,醫生告誡他們不要吃糖。
  • Diabetes is caused by a fault in the insulin production of the body.糖尿病是由體內胰島素分泌失調引起的。
2 disorder Et1x4     
n.紊亂,混亂;騷動,騷亂;疾病,失調
參考例句:
  • When returning back,he discovered the room to be in disorder.回家后,他發現屋子里亂七八糟。
  • It contained a vast number of letters in great disorder.里面七零八落地裝著許多信件。
3 glucose Fyiyz     
n.葡萄糖
參考例句:
  • I gave him an extra dose of glucose to pep him up.我給他多注射了一劑葡萄糖以增強他的活力。
  • The doctor injected glucose into his patient's veins.醫生將葡萄糖注入病人的靜脈。
4 indicator i8NxM     
n.指標;指示物,指示者;指示器
參考例句:
  • Gold prices are often seen as an indicator of inflation.黃金價格常常被看作是通貨膨脹的指標。
  • His left-hand indicator is flashing.他左手邊的轉向燈正在閃亮。
5 impaired sqtzdr     
adj.受損的;出毛病的;有(身體或智力)缺陷的v.損害,削弱( impair的過去式和過去分詞 )
參考例句:
  • Much reading has impaired his vision. 大量讀書損害了他的視力。 來自《現代漢英綜合大詞典》
  • His hearing is somewhat impaired. 他的聽覺已受到一定程度的損害。 來自《現代漢英綜合大詞典》
6 tolerance Lnswz     
n.寬容;容忍,忍受;耐藥力;公差
參考例句:
  • Tolerance is one of his strengths.寬容是他的一個優點。
  • Human beings have limited tolerance of noise.人類對噪音的忍耐力有限。
7 cognitive Uqwz0     
adj.認知的,認識的,有感知的
參考例句:
  • As children grow older,their cognitive processes become sharper.孩子們越長越大,他們的認知過程變得更為敏銳。
  • The cognitive psychologist is like the tinker who wants to know how a clock works.認知心理學者倒很像一個需要通曉鐘表如何運轉的鐘表修理匠。
8 atrophy 3eWyU     
n./v.萎縮,虛脫,衰退
參考例句:
  • Patients exercised their atrophied limbs in the swimming pool.病人們在泳池里鍛煉萎縮的四肢。
  • Many hoped he would renew the country's atrophied political system.很多人都期望他能使該國萎靡的政治體系振作起來。
TAG標簽: 記憶 糖尿病
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