它可能通过食欲控制激素的活动来干扰身体的新陈代谢。
It interferes with the body's metabolism, possibly via the activity of an appetite-controlling hormone.
在实验室的挑战性活动（比如驾车）的模拟中，那些觉得生活在自己的掌控之中的人产生的应激激素（比如皮质醇）更少。
In laboratory simulations of challenging activities such as driving, those who felt in control of their lives pumped out lower levels of stress hormones such as cortisol.
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。
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.
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