Why do children like sweets?

Eating sweets may also cause physical and psychological dependence. According to research, sweetness is the first taste accepted and pursued by human beings after birth, and liking sweets is an instinctive reaction of human beings.

Medical experiments have proved that, in a sense, candy containing a lot of white sugar has the same effect on the brain as drugs. If animals habitually eat sweets, it will stimulate the brain to produce opioids and make them feel happy. Once the supply of candy is stopped, they will feel pain and fidgety, and the chemicals in their brains will be out of balance. This phenomenon is very similar to the reaction of drug addiction.

Eating more sugar is more harmful than smoking.

The World Health Organization (WHO) investigated the causes of death in 23 countries, and concluded that sugar addiction is more harmful than smoking. Long-term consumption of food with high sugar content will obviously shorten people's life span, and put forward the slogan of "giving up sugar". Sugar is an essential food for families, and the sweetness of sugar hides the threat to human health. In daily diet, people who prefer sweets often cause many diseases because of too much sugar.

(1) It is best not to exceed 40 grams per day.

The concept of "sugar" has broad sense and narrow sense. Sugar in a broad sense refers to various digestible carbohydrates, including sweet sugar and starch without sweetness; Sugar in a narrow sense refers to refined white sugar and syrup commonly used in food and beverage processing. The harm of sugar to human body is mainly the latter.

Almost all sweets contain a lot of sweeteners made of white sugar or syrup. The total amount of sugar recommended by nutritionists is about 30-40 grams per day, that is, it should not exceed 10% of the total daily carbohydrate intake.

What is the concept of 30-40 grams of sugar? Among the sweets that people often eat, the sugar content of a spoonful of jam is about 15g, that of 1 can of cola is about 37g, that of three small pieces of chocolate is about 9g, that of 1 can of ice cream is about 10g, and that of several biscuits is about10g.

(2) Eating too much sugar can lead to fractures.

The purity of refined sugar is very high, which can reach more than 99%, that is to say, it contains almost no other nutrients and only a lot of energy. If you eat too much sweets, you will feel full, because too much energy will affect the intake of other foods rich in protein, vitamins, minerals and dietary fiber. In the long run, it will lead to diseases such as nutritional deficiency, developmental disorder and obesity.

(3) The metabolism of sugar in the body needs to consume a variety of vitamins and minerals. Therefore, eating sugar often will cause nutritional problems such as vitamin deficiency, calcium deficiency and potassium deficiency. Japanese nutritionists believe that children eating too much sweets is an important reason for the increase in fracture rate; American nutritionists also pointed out that children who love sweets have a higher fracture rate.

Nutrition survey also found that although eating sugar may not directly lead to diabetes, long-term consumption of sweets will lead to excessive insulin secretion, disorder of carbohydrate and fat metabolism, resulting in imbalance of human internal environment, which will further promote the occurrence of various chronic diseases, such as cardiovascular and cerebrovascular diseases, diabetes, obesity, senile cataracts, dental caries, myopia, rickets and so on. Eating more sweets will also make human blood tend to be acidic, which is not conducive to blood circulation and weakens the defense function of the immune system.

(4) Osteoporosis caused by bone decalcification.

Eating a lot of sugar or carbohydrates produces a lot of intermediate products such as pyruvate and lactic acid in the process of human metabolism, which makes the body in a state of acidosis. In order to maintain the acid-base balance of human body, alkaline substances in the body, such as calcium, magnesium and sodium, must participate in neutralization. Calcium deficiency in the body makes muscles hard, the tension is weakened, and the mechanism of regulating blood pressure is disordered. A large amount of calcium is neutralized, which will decalcify bones and lead to osteoporosis. The imbalance of acid-base balance in the body accelerates the aging of human cells and reduces people's adaptability to the outside world.

(5) Optic neuritis

Vitamin B 1 deficiency is an important cause of the disease. This is caused by excessive intake of vitamin B 1 when sugar is metabolized in the body. In addition, frequent intake of sweets is also easy to cause eye fatigue, and the optic nerve will "fail" due to insufficient nutrition. More importantly, vitamin B 1 deficiency will affect the oxidation of carbohydrates in the body, leaving incomplete oxides in the blood, thus inducing or aggravating optic neuritis.

Countermeasures: You can supplement it by eating more foods rich in vitamin B 1: milk and its products, animal liver and kidney, egg yolk, eel, carrot, mushroom, laver, celery, oranges, oranges and so on.

When people ingest sugar, they decompose the sugar in the body to generate heat, and at the same time, their metabolites need vitamin B to detoxify and eventually excrete. Long-term excessive sugar will lead to the lack of vitamin B family in the body due to excessive intake, so that waste will accumulate in the human body; At the same time, the metabolism of heat energy, protein, fat, carbohydrate and energy conversion in brain and tissues is negatively affected.

(6) Hair turns white

American researchers have found that women who eat too much sweets will accelerate cell aging and produce white hair. This is because sugar is an acidic food. Eating a lot of sugar will change the body fluid from alkaline to weakly alkaline, promote cell aging, and lead to yellow and white hair.

(7) Gallstones

Women over 50 eat too many sweets, which will lead to gallstones. It is believed that excessive sweets will increase insulin secretion, resulting in a serious imbalance in the proportion of cholesterol, bile acid and lecithin in bile. Too much sugar will also turn into fat by itself, leading to obesity. For middle-aged and elderly women, obesity is a hotbed of gallstones.

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(8) vaginitis

About 75% of women have been infected with vaginitis caused by candida at least once in their lives. A study on recurrent candida infection shows that many patients' blood sugar or urine sugar is significantly higher than normal; When 90% patients reduce their daily sugar intake, candida vaginitis will rarely be infected and relapse within one year. This shows that sugar intake is closely related to candida infection.

(9) Causing hypertension and obesity

Eating too much sugar can stimulate the increase of insulin level in human body, increase the secretion of insulin and catecholamine in blood, increase sympathetic nerve activity, and directly cause the increase of vascular tension, which may be one of the reasons for hypertension caused by high sugar. In addition, high insulin level in the blood will increase the reabsorption of sodium and water by the kidney, which will make water and sodium stay in the body, increase blood volume and produce hypertension.

If there is too much sugar, the rest will be converted into fat and stored, leading to obesity, which is the root of many diseases.