Reading guide: Only know yourself, and for food, our body may be more sensitive than our brain, so that we will refuse some food that is harmful to our own human body at the first time, which is a kind of protection ------ child doctor
There are thousands of types of food in the world, and everyone's food preferences are very different.
From the time a person is still in the mother's womb, he will express his love and dislike of food through the mother's dietary changes, for example, the so-called "sour and spicy girl".
"Picky eaters" of children
So in daily life, if someone doesn't like to eat this or that food, is it a problem?
Nowadays, Dr. Tong can clearly tell everyone that if you have a natural resistance to a certain food, please stay away from it, because it is most likely an allergen for you.
This conclusion was confirmed by scientists in Germany, who said that our human body will naturally refuse to be allergic to food, including smell, appearance and other aspects of unspeakable dislike, so as to protect our own health, and the relevant research paper was published in the journal Nature.
"Nature"
The study at the German Cancer Research Center was carried out through experiments with mice, where mice rich in requirements were first selected and divided into two groups, one of which was sensitized to ovalbumin by subcutaneous injection.
Then, the mice in both groups were fed different drinking water at the same time, one was ordinary drinking water and the other was water supplemented with ovalbumin.
The results of the experiment are very interesting, for the mice that did not undergo sensitization operations, the water with ovalbumin was more attractive and did not have any discomfort, while the sensitized mice only drank water, and the ovalbumin water did not touch at all.
Experimental mice
So, the scientists forced the sensitized mice to try to drink ovalbumin water, but they refused to drink it after only one sip, preferring to be thirsty.
Did the mice themselves know that this protein water would be harmful to their bodies?
The answer is yes, perhaps the mice have made the right choice to prioritize their bodies over their brains, and to further investigate the relationship between picky eating and allergies, scientists have modified the mice to genetically make them incapable of producing mast cells or IgE.
Food allergies
Whether it is mast cells or IgE is a necessary condition for mice and humans to have allergies, let the genetically modified mice drink protein water, sure enough, they no longer refuse, but for these mice themselves are already allergic to ovalbumin, so the brain does not chew, but the body behaves very honestly, and there are manifestations of allergen damage such as gastrointestinal inflammation.
The results showed that mice without any treatment would prefer water with ovalbumin, while mice that were already sensitized would basically only drink regular water, and even if these mice "mistakenly drank" ovalbumin water, they would only taste one sip and stop drinking.
The study found that the avoidance behavior of sensitized mice to protein water was very dependent on two conditions, the first being the presence of mast cells and the second being IgE antibodies. Genetically engineered mice that lack mast cells or produce IgE will not refuse to drink water containing ovalbumin, even after they have completed the process of sensitizing ovalbumin.
However, sensitized mice can accept it mouthfully does not mean that the body can accept it, they will produce gastritis and enteritis symptoms after drinking ovalbumin water, which indicates that mast cells will protect individuals from allergen damage.
Allergens
Regarding the above research results, Dr. Tong believes that our own aversion to a certain food is actually an innate protection, which cannot be described but must have its reason, as for the reason, the research team of Yale University in the United States has given a similar statement.
Scientists in the United States have done the same experiment, and they believe that mast cells are indeed the "heroes" who prevent mice from drinking protein water that can cause sensitization.
After the allergic mice are inadvertently exposed to protein water, they will activate the solitary tract nucleus, central amygdala and other areas of the brain, aggravating the aversion to protein water, which is just like us humans will be more disgusted after trying a certain nasty food, rather than accepting.
Nature has given all kinds of protection to the creatures it creates, allowing us to prevent them before they are harmed, and picky eating itself is a selective rejection of allergic foods, which can also be said to be an innate protective ability.
In this regard, Dr. Tong believes that don't force the food you don't like, and don't force yourself to do the things you don't like.
For example, I once heard of a child who doesn't like to eat peanuts, his parents think that peanuts are nutritious, he is a picky eater, so they force him to eat, the final outcome is tragic, the child has a serious allergic reaction and dies, so in daily life, for those children who don't eat this and don't eat that, we as parents should understand it, maybe it's not that they are picky eaters, but that this food is a kind of "poison" for them!