How does the body understand that it is "missing" something? And how does he pick the foods to swoop on?

How does the body understand that it is "missing" something? And how does he pick the foods to swoop on?

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Answers (3)

Answer 1
October, 2020

Unfortunately, the human body only understands well that it lacks water. The desire to eat specific foods does not mean that they contain anything good for health. Rather, we just want to experience a specific taste again or just throw in calories, which our body is always happy with. Nevertheless, animals have a specific appetite, that is, the desire to eat specific substances. This appetite can be congenital or acquired. The appetite acquired is based on the animal's experience that certain foods relieve certain unpleasant symptoms. For example, if an animal has been eating food with an insufficient iron content for a long time, then once, for example, porridge with iron, in the next case of iron deficiency, it will look for this very porridge and prefer it to other foods, while other sources of iron can be ignored. Congenital appetite does not require previous experience and is not tied to a specific type of food that can become a source of the missing element. Inborn are salt and, most likely, calcium appetite.

Apart from individual anecdotes, a person's rational choice of food based on desires is not described in the scientific literature. This does not mean that we have completely lost this ability, food deficiencies are partly manifested by the desire to gnaw non-edible objects: chalk, clay, ice. Craving for the latter is one of the signs of iron deficiency anemia. This eating behavior is, of course, a kind of indicator that the body is looking for something that it lacks. However, if in conditions of anemia we are not able to find a more worthy source of iron than ice, then it is certainly not worth expecting that our daily food desires are in any way rational.

Answer 2
October, 2020

It has been scientifically proven that the body does not understand anything. It is a myth. Otherwise, there would be no such frequent cases of shortage of cakes, chips, hamburgers, soda, alcohol, nicotine, etc. in our bodies.

Answer 3
October, 2020

The point is in the specific content of BJU, vitamins and minerals in food. As soon as the body "feels" a lack of a vitamin / mineral / micro- and macroelement, then you feel attracted to one of the products containing them. The body "feels" this deficiency when these very elements are not enough for normal functioning and metabolism.

It turned out to be chaotic, but I hope I answered your question. I will gladly accept criticism and additions))

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