There is a saying: "The soup for soaking rice is chewy." Some people may ask, the rice soaked in this soup is soft and easy to swallow, which is quite suitable for the elderly and children. Why do you say "not rotten"? In fact, this sentence is mainly to tell you that the soup for soaking rice is not as easy to digest as you think. On the contrary, long-term consumption will lead to digestive dysfunction, which will lead to various diseases. Studies have shown that when people eat, they will first digest it in their mouths. Hard teeth are like a clever "crusher", which cuts large pieces of food into small particles, while salivary glands keep secreting saliva and tongue keeps stirring, so that food and saliva are fully mixed. Amylase in saliva can decompose starch into sweet and refreshing maltose, which is convenient for further digestion and absorption in gastrointestinal tract. At the same time, food will stimulate the taste nerve of the tongue and transmit it to the brain reflexively, so that the brain sends out a message to "inform" the stomach, intestine, pancreas and other parts to be ready to accept food. After receiving the "command", the stomach, intestine and pancreatic juice are secreted one after another, and the gastrointestinal peristalsis is enhanced, thus accelerating the digestion and absorption of food nutrition by the gastrointestinal tract. However, soaking in rice is not the case. Rice was mixed with soup, and the food slipped into the stomach before it was chewed in the mouth. Insufficient chewing of food, less saliva secretion, uneven mixing with food, amylase will be diluted by soup. In addition, the taste nerve is not stimulated as it should be, and the secretion of reflective digestive juice in gastrointestinal tract is also reduced. Therefore, the digestion of food will be affected, and nutrients can not be completely absorbed. Moreover, swallowing the whole meal without chewing will definitely increase the burden on the gastrointestinal tract. In the long run, diseases such as gastrointestinal dysfunction and gastrointestinal dyspepsia will take advantage of it and seriously affect your health. For children during their growth and development, eating soaked rice is more harmful. Because eating soaked rice for a long time will not only hinder the digestion and absorption function of the gastrointestinal tract, but also reduce the chewing function, make the chewing muscles atrophy, and even affect the face shape of adults in severe cases. At the same time, eating soaked rice is also easy for children to develop bad eating habits of swallowing dates. Old people should not eat instant rice either. Some medical studies have found that the movement of mandibular joint during chewing can accelerate the cerebral blood circulation, and the smooth blood circulation can enhance the activation of cerebral cortex, thus helping to prevent brain atrophy and Alzheimer's disease. Therefore, the missing teeth of the elderly should be filled as soon as possible to restore chewing function, and they should not eat instant rice for a long time because of missing teeth. Two special differences should be mentioned here: first, drinking soup before meals and eating rice with soup are two different things, so we should distinguish them. Drinking a small amount of soup before meals can not only nourish the mouth and esophagus, but also stimulate the mouth and stomach to produce saliva and gastric juice, which is helpful for digestion. Secondly, eating porridge is different from soaking rice, because the texture of porridge is fine. After boiling, starch has been decomposed into dextrin which is easily absorbed by the gastrointestinal tract, and will not affect the digestive function. In short, it is a very bad eating habit to eat rice soaked in soy sauce, and you should not eat soup rice or soy sauce to make tea rice. And no matter what food you eat, you should develop a good habit of chewing slowly. Drinking soup after meals is an unhealthy way of eating. Because the last soup will dilute the chyme that has been mixed with digestive juice, which will inevitably affect the digestion and absorption of food. The correct way to eat is to drink a few mouthfuls of soup before meals, first lubricate the mouth and esophagus, reduce the bad stimulation of hard objects on the digestive tract mucosa, promote the secretion of digestive glands, and play an appetizing role.