The “hunger nerve” -- also known as the posterior vagal trunk -- is a branch of the larger vagus nerve that works on the heart, lungs and GI system. When your stomach is empty, the nerve signals your brain that you're hungry.
“饥饿神经”,又称迷走神经后干,是大迷走神经的一个分支,影响心脏、肺和胃肠系统。当你空肚子时,“饥饿神经”会告诉大脑你饿了。
那么我们可以通过冷冻“饥饿神经”,降低信号传递强度,从而帮助肥胖症患者减肥吗?
普罗洛戈和他的团队进行了一次小型试验,他们将探针刺入实验对象的背部,在CT技术的引导下,用氩气冷冻“饥饿神经”。
By freezing the nerve, the hunger signal was shut down.
通过冷冻神经,饥饿信号被关闭。
The experiment was meant solely to test the safety of the procedure, and the team ran the study on only 10 people. All were overweight, between the ages of 27 to 66 and had body mass indexes (BMIs) ranging from 30 and 37 (those stretch from "moderately" to "severely" obese). Eight of the 10 participants were women.
这个实验仅仅是为了检验这项手术的安全性,研究对象只有10人,其中8人是女性。他们的年龄在27岁到66岁之间,身体质量指数在30到37之间(从“轻微”肥胖到“严重”肥胖),所有人都超重了。
注:身体质量指数是衡量人体胖瘦程度的一个常用指标,其计算方法是体重(千克)除以身高(米)的平方,通常认为数值30及以上为肥胖。
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