But if you want to break through the valley, you can do it. But it's not the same as eating a meal a day. Peeping the valley is to close the secretion system of the stomach. During the period of retreat, the energy needed by the human body is provided by fat, which also has the functions of health, beauty and slimming. But the supply of fat can also be said to be a state of burning fat, which can only be done when the secretion of gastric juice is completely closed. Because of this, the stomach no longer absorbs energy, and the body naturally absorbs fat. In normal operation, gastric juice secretion will only eat a little or not, and the gastric acid in it will cause harm to the body.
As for the details of Gu, you can visit Baidu or browse major social articles.