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SSS 2009-11-10

时间:2010-05-19 02:58来源:互联网 提供网友:mark@li   字体: [ ]
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    (单词翻译:双击或拖选)

What you eat affects more than physical health. Two new studies have added to the growing evidence linking the stomach and the brain.

 In a report in the Proceedings1 of the National Academy of Sciences, researchers studied how junk food can trigger addiction2 behaviors. The brain chemical corticotropin-releasing-factor, CRF, is linked to motivation, and plays a role in drug and alcohol withdrawal3 and relapse. Researchers had rats eat normal food, then binge on sugar and chocolate-flavored snacks. When the rats went off the junk, they expressed CRF, just as do rats going through withdrawal. The rodents4 also had more anxiety and were less interested in normal food.

 Another study, published in the Archives of Internal Medicine, looked at human moods. Researchers followed 106 overweight people. Half followed a low-carb, very high-fat diet, and half ate a high-carbohydrate, low-fat diet. After a year, both groups averaged about 30 pounds weight loss. And though both groups’ moods improved after two months, only the low-fat, high-carb group kept up the good feelings. So what we eat doesn’t just go to our waists—it also goes to our brains.

 


点击收听单词发音收听单词发音  

1 proceedings Wk2zvX     
n.进程,过程,议程;诉讼(程序);公报
参考例句:
  • He was released on bail pending committal proceedings. 他交保获释正在候审。
  • to initiate legal proceedings against sb 对某人提起诉讼
2 addiction JyEzS     
n.上瘾入迷,嗜好
参考例句:
  • He stole money from his parents to feed his addiction.他从父母那儿偷钱以满足自己的嗜好。
  • Areas of drug dealing are hellholes of addiction,poverty and murder.贩卖毒品的地区往往是吸毒上瘾、贫困和发生谋杀的地方。
3 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。
4 rodents 1ff5f0f12f2930e77fb620b1471a2124     
n.啮齿目动物( rodent的名词复数 )
参考例句:
  • Rodents carry diseases and are generally regarded as pests. 啮齿目动物传播疾病,常被当作害虫对待。 来自《简明英汉词典》
  • Some wild rodents in Africa also harbor the virus. 在非洲,有些野生啮齿动物也是储毒者。 来自辞典例句
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TAG标签:   SSS  withdrawal
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