From a series of brain scans on volunteers, the researchers showed that a hunger hormone triggered activity in the brain that made people pay more for junk food than usual.
通过对志愿者大脑的观察，研究人员发现饥饿激素能够刺激大脑活动，人买的垃圾食品比平常要多。
It also appears to lower levels of ghrelin, the 'hunger hormone', circulating in the digestive system.
同时人体中一种在消化系统循环中被称为“饥饿激素”的物质的水平也有明显的下降。
These kinds of meals increase levels of leptin, a hormone that decreases hunger (and boosts fat burning) and lowers levels of ghrelin, a hormone that increases hunger.
这种食物增加了瘦素的含量，一种增加饥饿感的激素(增加脂肪燃烧)，同时减少了胃肽(一种增加饥饿感的激素)的含量。
Each person took the test twice over two days and beforehand received either an injection of ghrelin, a hunger hormone that is released by the stomach, or a shot of saline as a control.
每个人两天里做的测试是多过两次的，并且这些人在参加测试之前都会注射一种胃饥饿素(从胃里释放出的一种饥饿激素)，或者是盐水。
At the same time, Breus says, sleep deprivation causes your body to release more ghrelin, the hormone that signals hunger, and less leptin, the hormone that tells your body it's full.
同时，他说，睡眠不足会使身体释放更多的生长激素释放多肽和瘦素，前者会发出饥饿信号，后者则会告诉身体已经吃饱。
Low intensity exercise on the "hunger hormone" secreted basic does not work.
中低强度的运动对“饥饿激素”分泌基本不起作用。
The scientists found that a peptide active in the hypothalamus called melanin-concentrating hormone or MCH can inactivate the reproductive system in times of hunger.
科学家发现，下丘脑中有一种肽类物质叫做“黑色素聚集激素”或者“MCH”，在饥饿时期可以使生殖系统失去活性。
Five years ago, all eyes were on the hormone ghrelin, which is produced in the gut and which helps regulate hunger.
五年前，大家都在关注生长激素释放肽，它由消化道产生并能有助于调节饥饿感。
Five years ago, all eyes were on the hormone ghrelin, which is produced in the gut and which helps regulate hunger.
五年前，大家都在关注生长激素释放肽，它由消化道产生并能有助于调节饥饿感。
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