When the rodents were in need of salt, brain cells made proteins more usually linked to addiction to substances such as heroin, cocaine and nicotine.
当白鼠处于对盐有需求的状态时,它们的大脑细胞会产生上瘾的物质,该物质与通常与对海洛因、可卡因、尼古丁的上瘾依赖有关联。
Professor Derek Denton, of the University of Melbourne, said: 'In this study we have demonstrated that one classic instinct, the hunger for salt, is providing neural organisation that subserves addiction to opiates and cocaine.'
墨尔本大学的Derek Denton教授说:“在这项试验中,我们展示了一种经典的本能,对于盐分的‘饥渴’,神经组织的表现就如同对于鸦片和可卡因的上瘾一样。”
The study also revealed that after salt was taken, the brain believes it has received its fix well before it should be physically possible.
研究还揭示了,一旦摄入了盐,大脑便认为已经得到了满足,这也许要先于身体真正对其进行吸收。
In other words, the changes caused by salt cravings disappeared well before the salt could have left the gut, entered the blood and got to the brain.
换句话说,由于对盐的渴求所产生的变化在盐分离开肠道、进入血压和大脑之前便已经消失了。
Professor Denton said: 'It was amazing to see that the genes that were set "off" by the loss of sodium were already beginning to get back to the original state within ten minutes.
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