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If you've got a sweet tooth, you'll know all too well the temptation to reach for the biscuit jar. But help could soon be at hand, thanks to a new study that has identified a way to 'switch off' sugar cravings. 如果你喜欢吃甜食，那你就知道饼干罐的诱惑力有多大了。但你很快就能得到帮助，因为一项新研究发现了一种抑制甜食渴望的方法。 Researchers from Columbia University discovered a way to remove cravings for sugar in mice, and say that the technique could one day be applied to humans. The study builds upon previous research in which the researchers revealed that when the tongue encounters one of the five tastes - sweet, bitter, salty, sour or umami - cells on the tongue send signals to regions of the brain so as to identify the taste, and trigger the appropriate actions. 哥伦比亚大学的研究员发现了一种能消除老鼠对甜食渴望的方法。研究建立在先前研究的基础之上，此前研究人员揭示：当舌头尝到5种味道--甜、苦、咸、酸或鲜味时--舌头上的细胞会向大脑区域发送信号以识别味道，同时触发适当的动作。 | 
