What should you pay attention to when eating healthily?

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　　But a recent study by Japanese scientists found that people who have been satiated for a long time are more likely to have premature brain aging. It is said that long-term satiety will lead to excessive caloric intake, excess fat, and increased blood lipids in the human body, causing an increase in a substance called "fibroblast growth factor", leading to atherosclerosis of the cerebral arteries, reducing the supply of oxygen and nutrients to the brain, resulting in reduced memory, premature brain aging, and mental retardation.

　　So, where does people's feeling of hunger and fullness come from, what are the other dangers of long-term satiety, and what kind of diet do we need to be the most reasonable?

　　Modern medical research has discovered that there are so-called hunger centers and satiety centers in the human brain. Together with the cerebral cortex, they effectively control people's food intake through gastrointestinal reactions.

　　When blood sugar drops and the stomach is emptied, the cerebral cortex receives a hunger signal, and the cerebral cortex nerve The center will issue eating instructions to the hunger center located in the hypothalamus, and issue suppression instructions to the satiety center, so that people begin to eat consciously. When a person eats a certain amount of food and the gastrointestinal tract feels distended, it will send the satiety signal back through reflection, and the cerebral cortex will send "full" instructions to the hunger center and satiety center respectively, thereby stopping eating.

　　Researchers once conducted relevant animal experiments. They found that after destroying the satiety center in the animal's brain, the animal continued to eat, the amount of food consumed increased significantly, and the weight also increased significantly. It only stopped when the energy reached a new balance. On the contrary, if its hunger center is destroyed, the animal will not want to eat, refuse to eat for a long time, and die from exhaustion.

　　However, the amount of food eaten is also related to people's eating habits. Some people are always greedy and eating more is not always because of hunger, but a habit developed over a long period of time.

　　If people eat too fast or for too long when eating, they may cause overeating. Difficulty controlling appetite when it comes to favorite foods is also an important reason.

　　When people gather for dinner or eat while thinking about other things, they often spend a long time, an hour, two hours or even longer, eating non-stop and because they are often focused.