Salt is an essential condiment in people's daily life. Without it, it will taste odorless and feel weak. However, if you eat too much in the long term, it can easily affect your health and cause illness.
Eating too salty will hurt the stomach
Excessive sodium in the diet, in terms of renal tubular reabsorption, excessive sodium ions compete with calcium ions and increase calcium excretion. At the same time, the sodium salt also stimulates human parathyroid hormone, activates adenylate cyclase on the membrane of "gastric ruptured cells", promotes dissolution of gastric salt and destroys the dynamic balance of bone metabolism, and is prone to osteoporosis. Even inflight.
Eating too salty to catch a cold
Modern medical research has found that when the concentration of sodium chloride in the human body is too high, sodium ions can inhibit the activity of respiratory cells and reduce the cellular immunity. At the same time, because the oral secretion of saliva is reduced, the amount of lysozyme in the oral cavity is reduced, so that the oral pharynx Cold viruses are easy to invade the respiratory tract. At the same time, due to the increased concentration of sodium chloride in the blood, the interferon in the human body can also be reduced so that the resistance is reduced. All of the above reasons cause people who eat salt to be cold.
Eating too much alkali can cause gastritis and gastric cancer
After eating an excessive amount of high-salt foods, the osmotic pressure of salt will cause direct damage to the gastric mucosa. Animal experiments showed that when rats were fed saline (12% or 20%), the gastric mucosa of the mice developed extensive diffuse hyperemia, edema, erosion, hemorrhage, and necrosis, while low concentrations of saline did not cause These pathological changes, high-salt foods can also make gastric acid reduction, and can inhibit the synthesis of prostaglandin e, wolfberry has the role of improving gastric mucosal resistance. This makes the gastric mucosa vulnerable to gastritis or crude ulcers. At the same time, high-salt and salted foods contain a large amount of nitrates. It is converted into nitrate by the bacteria in the stomach, and then combined with amines in the food to form ammonium nitrite, which is highly carcinogenic.
Eating too salty will increase diabetes
Recent foreign experts found that the sodium content of food has a direct relationship with the digestion, absorption rate and blood glucose response of starch. Salt can accelerate the digestion of starch by stimulating the activity of starch enzyme, or accelerate the absorption of glucose released by digestion in the small intestine, so that those who eat high-salt food have higher plasma grape concentration than those who eat low-straight food. Scholars reminded patients with diabetes to limit salt intake as an adjunct to prevent and treat diabetes.
Eat too salty and easy to induce bronchial asthma
Some foreign scholars have found in experiments that the patients with this disease have increased reactivity to histamine after taking in an increase in the sodium salt content, and they are prone to morbidity and aggravate the disease. Therefore, limiting the sodium salt can prevent bronchial asthma to some extent. Occurrence and aggravation.
In addition to the above hazards, over-salty diet can also cause people to suffer from high blood pressure, increase the burden on the heart, promote heart failure, there is body edema and ascites. People with nephritis and liver cirrhosis can also increase edema due to excessive salty food.
In view of the fact that the general population of salt in our country is a danger to health, relevant departments and some people of insight are worried about the country’s anxiety. Therefore, the experts discovered the appeal that people cultivate low-salt and light-food habits from childhood, and they advocated and recommended that the safe amount of daily salt intake for healthy adults in China is 5 to 6 grams, and the maximum amount cannot exceed 8 grams. This is The authoritative opinions summarized from the lessons have strong scientific and practical values.
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