Why does hot weather make people have no appetite to eat?

Indeed, overheating can lead to loss of appetite. To understand why, I have to tell you the opposite, and you will understand.

Biologically, human activities are inseparable from various reactions, which are catalyzed by enzymes. For example, exercise needs energy, and our bodies will break down glucose to release energy. In this reaction, glucoamylase is needed, and there are various enzymes in the body to ensure the normal operation of our body.

However, this enzyme has its own characteristics, just like a delicate princess. Too high or too low temperature will greatly reduce the activity of enzyme. To maintain normal body temperature, enzymes can work hard and be willful. So when the temperature is too high, the activity of enzymes in our body will decrease, which will make many reactions in our body very slow.

But does eating have anything to do with enzyme activity?

Of course, the answer is yes. First of all, wanting to eat is just a feeling, a signal from the human cerebral cortex, but the source of this signal comes from the concentration of glucose in the body. When there is no food in the stomach, the concentration of glucose will become low. At this time, there will be a series of chemical reactions to transmit signals to the brain cell by cell, thus giving you a signal that I am hungry, but when the weather is very hot, the activities of various catabolic enzymes in my stomach are very low. You can't break down any food at all, so there is still some food in your stomach, which will give you a wrong signal from your cerebral cortex. I'm not hungry. I lose my appetite when I'm hot.

Just like when we have a fever, we have a bad appetite and even vomit. Because our stomach can't digest, we want to vomit, which is the same as the hot weather. ?