减肥是夏天的主题之一。
肥胖的原理是什么?
老百姓说的“吃多动少”翻译成科学家的话就是:
Obesity is the resultant energy imbalance in a person who consistently consumes more calories from food and drink than are needed to power their body’s metabolic and physical functions.
如果一个人不断地从食物和饮料中摄入卡路里,并且超过了身体代谢和功能所需的量,那就会导致体内能量失衡——肥胖。
说白了就是热量失衡。“吃多了动少了”就是导致热量供过于求的原因。
但我们发现,有的人吃得胖,有些人吃不胖,还有人不吃都长胖。
吃不胖的先拖出去,我们来聊聊胖胖的你,有哪些“命不由我”的因素。
肥胖基因真的存在,而且还有400多个。
“我饿了,我要吃”、“我饱了,不吃了”——这些都是大脑发出的信号。
The brain regulates food intake by responding to signals received from fat tissue, the pancreas, and the digestive tract. These signals are transmitted by hormones—such as leptin and insulin.
大脑通过响应来自脂肪组织、胰腺和消化道的信号来调节食物的摄入。这些信号由致轻素、胰岛素等激素传递。
The brain coordinates these signals with other inputs and responds with instructions to the body: either to eat more and reduce energy use, or to do the opposite.
【研究显示肥胖基因真的存在!网友:我命由天不由我……】相关文章:
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