Eating too much salt is equally harmful to adults
Salt is one of the killers that affects human health. Excessive consumption of salt can cause many diseases in humans. Chinese people generally eat too much salt. Through the National Nutrition Survey, the amount of salt from the south to the north ranges from 12 grams to 15 grams. According to the 6 grams prescribed by the World Health Organization, we have more than doubled and eat more salt and have direct injury to the body.
Excessive salt can cause high blood pressure
According to an expert survey, the amount of salt consumed has a certain relationship with the incidence of hypertension. The more salt, the higher the incidence of hypertension. Alaska's Eskimos have very low salt levels and basically do not suffer from high blood pressure. The residents of northern Japan who have a daily salt intake of about 20 grams have an alarmingly high incidence of hypertension.
The incidence of hypertension is only 3.5% in Guangdong Province where the salt level is relatively low in China. However, the incidence of hypertension is significantly higher in northerners who prefer salty foods. This is because salt, under the action of certain endocrine factors, can increase the sensitivity of blood vessels to various blood pressure-rise substances, cause fine arterial spasm, increase blood pressure, and may also accelerate the process of hardening of renal fine arteries. At the same time salt has the effect of sucking moisture. If there is too much salt accumulation, the water will increase greatly, and the blood volume will increase accordingly. In addition, the imbalance of potassium and sodium inside and outside the cell will impair the function of red blood cells, the blood flow will be sticky, the flow will be slow, and the blood circulation will increase. The workload has led to further increase in blood pressure.
Excessive salt can cause edema
Due to too much salt, sodium accumulates in the human body, and sodium is hydrophilic, causing edema and increasing the burden on the kidneys.
Eating too much salt can cause a cold
Salt has an osmotic effect and affects the resistance of human cells to disease. Excessive salt, first, to reduce the secretion of saliva, resulting in a corresponding decrease in the oral lysozyme, so that the virus in the mouth with the opportunity to bed. Second, due to the infiltration of sodium salts, the defense function of epithelial cells was inhibited, and the disease resistance was greatly lost. The cold virus can easily invade the human body through cells that have lost its barrier function, so it is easy to cause colds, and inflammation of the upper respiratory tract such as pharyngitis and tonsillitis often occurs.
Eating too much salt can harm the heart
Eating too much salt can also cause heart disease. In the "Neijing" there is a record of this: "If you take more salt, you will notice the changes in color." "Taste too salty, big bones gas hurt, heart chilled." The food is too salty to shrink the arterioles and harm the heart. The death rate of heart disease in Hunan residents is 4 percentage points higher than that in the whole country, which is closely related to the excessive consumption of pork and salt.
Excessive salt can cause stomach cancer
Patients in Japan have the most stomach cancers in the Akita and Yamagata prefectures in the northeast. There are also many people suffering from gastric cancer. Akita Prefecture, which has the highest number of gastric cancers, once launched a salt-reduction campaign. As a result, the number of people who died of stomach cancer decreased by more than 20%. It can be seen that eating too much salt is a major cause of cancer. There is no carcinogenic substance in the salt, but it is easy to destroy the gastric mucosa and help carcinogens. In addition, kidney disease and stroke are also closely related to excess salt.
Therefore, a reasonable diet of salt 2-5 grams per day. Usually do not eat too salty food, especially the elderly and infants and young children can not be too salty food. Adults should not be allowed to give children food on the basis of their taste, so that children can be harmed and induce hypertension and weakened heart muscle. For the elderly, cooking as much as possible with vinegar, simmer, pepper and other spicy spices instead of salt, reducing the amount of salt.
Why is excessive salt intake dead?
The injured baby in the "Milk-salt infanticide" case is suffering from hypernatremia and death. Hypernatremia is an excessively high level of sodium in the blood, which is mainly caused by dehydration. In life, the main causes of hypernatremia are: intake of too little water, diarrhea, vomiting, fever, excessive sweating, diabetes insipidus, damage to the pituitary gland, other electrolyte disorders, sputum type blood cell disease, and the like. Hypernatremia is the most common among the elderly. The most important symptom of hypernatremia is brain dysfunction. Severe hypernatremia can cause confusion, muscle cramps, coma, and even death.
Chinese people eat salt
Since the development of Chinese food, no matter whether it is a dish of stewed Northeastern dishes, or a spicy and spicy Sichuan dish, and then carefully crafted Cantonese cuisine, it is indispensable to seasoning with a lot of salt.
The sodium in the body is 60% from salt, and the remaining 40% is from food. However, a 2010 survey showed that if the amount of sodium in food is converted into salt, plus the daily intake of salt, the daily salt consumption of urban residents in China is as high as 13.5 grams. In 2012, a dietary survey involving 31,140 people in 75 large and medium-sized cities across the country showed that 58.2% of residents’ salt was calculated on the basis of the recommended intake of 6 grams of salt per person per day in the “Chinese Dietary Guidelinesâ€. The amount is high. In August 2013, a new survey released by the Chinese Center for Disease Control and Prevention showed that over 60% of Chinese residents had excessive salt intake.
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