Taste: an "alarm" signal of disease
Sweet, sour, bitter, spicy and salty make up different tastes. Interestingly, different human taste receptors. 1932, doctor of American scientists. Arthur Foucault and Neuer prepared and assisted the experiment of phenylthiourea, an organic compound. Neuer can't stand the bitter taste of this compound, but nothing seems to happen to Fox. The two sides argued endlessly. It turns out that they are unique sufferings.
People's taste is also disturbed and deceived by the outside world. For example, pork can be eaten on the Qinghai-Tibet Plateau, and the beaches in Qingdao are delicious, where the taste is the most sensitive under low pressure. In the tropical forests of West Africa and Hainan Island of China, the plants known as "mysterious fruits" only taste a little flesh and blood, and their mouths are always sweet within four hours, no matter whether they eat sour or bitter. However, another so-called poison forest gymnema factory, after leaving the taste within 24 hours, even if it eats honey, it makes people feel a little sweet.
With people's attention and research on taste, many surprising studies have begun. Patients with diabetes, thyroid tumor and glaucoma are many times higher than normal people, and their taste is blind. Therefore, scientists believe that taste disorder may "remind" a certain disease.
Recently, the dean of the fertile tumor activity of Northwest University pointed out that after the perfect score test, just a few drops of diluted solution and taste irritant can be set within a few minutes according to their own preferences, so as to screen cancer early. Cancer experts in many countries have a considerable number of early cancer patients, and their sense of taste has been weakened. About14 patients with advanced cancer suddenly lost weight, abnormal taste, and taste disorder led to anorexia. Therefore, the sense of taste disappears due to anorexia, which is one of the most likely disease precursors.
However, the older people are, the taste and consciousness of their young people. Young people who are worth the money think that the elderly feel bitter and sour before contraction, and the life span of taste buds is sweet, while the salty taste buds are much longer. Therefore, the elderly should not doubt the bitterness of cancer.
Beware of fast food syndrome
In recent years, fast food, such as hamburgers, sandwiches and instant noodles, has occupied a large number of markets. It is fast and convenient, and is deeply loved by people. More importantly, some people eat instant noodles or go to fast food restaurants every day for convenience and time. Over time, a disease called "fast food syndrome" was born, and its symptom is taste.
Usually there are several kinds of taste disorders: long-term use of drugs to treat rheumatism and other side effects; Visceral organs, such as kidney or liver diseases, because the body's taste declines with age, otitis media surgery will cause the taste nerve to block miasma. Abnormal taste caused by diet first appeared in Japan. In recent years, with the popularity of fast food, there are more and more patients. Symptoms of abnormal taste: if we don't know the original taste of the food we eat, no matter what it feels like, it will be sweet, bitter in the mouth and hot in the tongue, so there will be nothing to eat. If you look at the diet of these patients, they are sometimes almost partial to food or try to save too many fast food reviews or instant noodles. Because the abnormal taste caused by diet will not appear soon, but I don't know that it will appear slowly, so it will generally not attract people's attention. Until the time consciousness still disagrees, it often misses the golden opportunity of early treatment and finally leaves a lifelong disability.
There are two ways to check whether the taste is normal. First, the electric taste physical examination. Its principle is to stimulate the touch needle on the tongue with electric current at different parts of the tongue, so as to test the dominant area of chorda tympani nerve and the tongue with taste buds in front of the disposable tongue, and to test whether the glossopharyngeal nerve area is normal. If the current pungent metallic smell (similar to the smell of licking old nails), this is normal. It is generally easier to pass this check. Secondly, the second inspection, put the permeated acid, sweet, bitter and salty filter paper with a diameter of 5 mm on the left and right sides of the tip of the tongue, then put the filter paper with a diameter of 5 mm on the left and right sides of the tongue according to your own feelings, and then list it in the table, and put any part of acid, sweet, bitter and salty on the hook according to your own feelings. If the time cannot be confirmed, improve the concentration test. The concentration of the solution is from weak to strong, which are taste sensitivity, normal, normal threshold, mild taste abnormality and mild taste abnormality respectively. Level 5 can't be confirmed, and it tastes abnormal. For example, it is not easy for a female college student to distinguish between ups and downs. She has to work as a tutor and live under pressure. Teach how to eat. They eat hamburgers and French fries. Drinking coffee to satisfy hunger, long-term taste disorder. Fortunately, her symptoms won't last long. If she eats right in time, her taste will recover.
So, why does eating too much fast food lead to taste disorder? This is a common problem in eating fast food because of insufficient zinc intake. The main reason is that the taste buds on our tongue can feel the taste of food. A salivary hormone called taste, protein zinc, also helps a little. Vegetarians who have a sense of taste, while taking oral neomembrane epithelial cell nutrition factor, suffer from zinc deficiency, abnormal oral mucosa, epithelial cell proliferation and poor keratinization, and the structure and metabolism of epithelial cells are easy to fall off. As a result, the taste is covered and blocked, which affects appetite. In addition, zinc deficiency also affects the active zinc of various enzymes metabolized by nucleic acid and protein, which adversely affects the structure and function of taste buds and reduces taste sensitivity. By the way, in the hot season, a large amount of zinc (up to 1 mg/L) is excreted with sweat, which will be more serious and lead to loss of appetite. This is also the reason why people generally lose their appetite in summer.
Usually the intake of zinc oxide is15mg per day. For adults with necessary nutrition, good eating habits and time, there is no need to worry about zinc deficiency. But fast food contains a variety of food additives, such as sausages, cheese, canned food, seasonings, ice cream, refreshing drinks and other foods to prevent oxidation. Food additives to improve shelf life, sodium polymetaphosphate, solid gravy and spices, methyl cellulose, etc. These food additives are absorbed by the duodenum and enter the human body, which leads to zinc loss in the body, zinc deficiency in the body and abnormal taste.
In a word, the fast food we should pay attention to is only an emergency measure for intense work. I would rather fill my stomach and have no time to eat, and I should get used to eating every day. Because the body can hardly absorb vitamins and minerals except causing abnormal taste and eating fast food, this is because of the lack of vitamin B 1, so saliva secretion is blocked. In addition, the tongue is the front end of digestive organs, and it is also an important organ for sensing body abnormalities. Once the tongue fails, it is impossible to predict the physical abnormality early.
Abnormal taste, early detection and early treatment is the key. If the symptoms are mild, you should take foods or drugs containing more zinc. Foods rich in zinc include oysters, fish, laver, sesame, buckwheat, egg yolk, green tea, animal liver, mushrooms, lobster sauce and soy sauce noodles. However, if left to its own devices, there is absolutely no problem. After a year, half of the patients' lives will be difficult to recover. Therefore, for your health, try to eat less fast food. (Author: Wu You)
Idiopathic low taste in the elderly. Be careful.
Kono
Idle and bored, Li Taibo retired at home with flowers and bonsai in addition to waiting in the yard to smoke with his head stuffy. Gradually, he ate tasteless, lost his appetite and became a thinner person.
Tianjie Activity Center is an "organized health care lecture" for the elderly. How to prevent the poor taste of the elderly? Therefore, Li Taibo's understanding of zinc supplementation is conducive to improving the truth of poor taste in quitting smoking. Since then, he has given up smoking habits for many years and added foods rich in zinc to his diet. Strangely, he began to feel his appetite widened and he ate more.
Modern medicine believes that the idiopathic poor taste of the elderly is the amount of zinc in the body. Foreign scholars tested 33 old people and 365,438+0 young people, and asked them to taste bitter, spicy, sour, sweet and salty food. There were more mistakes in tasting with the old people than young people, and the zinc content in the old people was even worse. Therefore, in their daily diet, the elderly should not only pay attention to the cooking methods suitable for their own tastes, but also eat more whole grains, beans, animal liver, lean meat, egg yolk, fish, clams, oysters, apples and so on. Take zinc gluconate, zinc glycyrrhizinate or zinc sulfate under the guidance of a doctor in the case of severe poor taste.
It is closely related to people's appetite, smell and taste. When olfactory and taste foods stimulate olfactory cells of nasal mucosa and taste buds of tongue, the nerve transmission of olfactory and taste receptors stimulates appetite center and causes appetite. When people get old, the functions of smell and taste gradually decline. If you smoke regularly, cigarette smoke exposure will lead to taste, and smell has a greater impact on appetite suppression. In addition, when smoking, toxic smoke components will also inhibit the secretion of digestive glands, reduce saliva in the mouth, and the pollution of smoke to the mouth will aggravate the taste disorder.
Sweet humor (5 September afternoon 1: 47)
When an old man is most likely to know that it may not be a routine physical examination, he repeatedly remembers the appointment time, but on a winter night, he suddenly can't help but miss the candy.
The doctor told me if there is anything especially sweet, even exclusive sweet, and why. This move will be a cold night, "Shanghai style sweetheart", which is probably a symptom of seasonal depression (SAD). This disease mostly occurs in middle-aged people, especially in winter. Due to the lack of sunshine in winter, reducing the signal between monoamine oxidase (serotonin) neurons in the brain has produced a series of activities that have a negative impact on mood and appetite. It can also lead to severe bulimia, obsessive-compulsive disorder, panic disorder and social phobia. Many people eat candy and wash the sun, which is regarded as an effective means of antidepressant and helps to accelerate the synthesis and decomposition of monoamine oxidase in the brain. The doctor also suggested that if you continue to meet at home, you can turn on all the lights on cloudy days, or go to public places in department stores to treat yourself in a bright environment.
For some friends of similar age, through this symptom. Eliminate the implied "Sleepless in Seattle" to confirm that it has nothing to do with diabetes. Then, I think the doctor prescribed it. When all the lights in the room are turned on, add the second candy to the cup and think carefully about why the candy in the past was happy, because the candy now is unhappy.
Middle-aged people, afternoon tea, afternoon tea is said by Dong Qiao in Britain, and sugar is inevitable.
The first time I tasted the memory of a sweet baby, my candy brought early temptations and taboos. The first time I heard that salt comes from sea water, as long as a big beach is imagined as sugar. Human sugar is based on a wonderful biochemical reaction: the taste of food molecules penetrates into taste buds, which are connected with taste cells in the sense of taste molecules stimulated by micro-cilia, and through the transmission of news, the current pulse of taste is in the form of the lower brain center of the brain, which eventually leads to the production of taste. The taste of molecules can only reach a certain concentration to form a taste response in the brain. The food with the lowest bitterness and sweetness has the highest molecular concentration, which is enough to promote the salty reaction followed by the five flavors. This means that they can't suffer, but they can be satisfied with the sweet comfort they get.
Among the characters created by the five flavors, only "sweetness" reflects the direct experience that the tongue depends on honey and sugar. The taste of hanging is salty, sour and exciting, only sweet, full of peace and security.
Taste cells whose functions are distributed on the tongue. Cells stationed on both sides of the tongue feel sour taste, bitter taste is hidden in the root of the tongue, salty cells are distributed at the forefront of the tongue, and sweet cells are concentrated in the most sensitive tongue. Ignore the eating habit line or the tip of the tongue around it, just like a love letter, a marriage with or without love.
Everything is arranged! Only by adding other flavors in our growing process, the individual differences of fate gradually opened up the heat to prevent tooth decay, and the sweet sugar on the table was diluted, but it still protected everyone's childhood memories like frosted sugar. Middle-aged sugar addiction's signal diagnosis of aging, it is better to regard it as flashback fading. In remote mountainous areas, the sweet frost has begun to thaw, and we must unite to form a safe crossing back. Ok, remember, as Zhang Ailing said, memories, if there is a smell, are the joy of "sweet voice, which I remember clearly, sweet and melancholy, like forgotten sadness".