Salt is a very important role in daily life. Three meals a day is indispensable for any meal. It can adjust the taste to make the meal more delicious, and can also supplement the iodine element needed by the human body. But no matter how good you can eat, it will be harmful if you eat more. What are the dangers if you eat more salt? What is the damage to the body? Let's get to know with Xiaobian.
Does eating too much salt affect calcium absorption
Yes. Sodium intake is closely related to urinary calcium excretion. For every 2300 mg of sodium (equivalent to 6 g of salt) excreted by the kidney, 40-60 mg of calcium will be lost at the same time. Some studies on hypertension also suggest that high sodium intake is not only a factor to increase hypertension, but also a factor to promote calcium loss and increase the risk of kidney stones. The intake of salt (more than 9g / day on average) of Chinese residents far exceeds the recommended value of the World Health Organization (5g / day). In some areas of the north, it even reaches 12-18g / day, while the intake of calcium (close to 400mg) is only half of the recommended value (800mg). The problem of bone calcium loss caused by excessive intake of sodium salt can not be ignored. The so-called "less salt = more calcium supplement" is by no means negligible Empty words.
Do you have high blood pressure if you eat too much salt
The dietary guidelines for Chinese residents recommend that the daily salt intake should not exceed 6 grams, that is to say, 6 grams of salt per day, long-term consumption will not increase the risk of hypertension and other chronic diseases. However, in most areas of China, the average daily salt intake is 12-15g or more. The main component of salt is sodium chloride, and the risk factor for hypertension is sodium.
1. Taking too much salt will lead to the increase of sodium in blood, the increase of water retained in blood, the increase of blood volume, the aggravation of heart burden, and the increase of pressure of high flow blood on blood vessel wall.
2. Too much sodium increases the water content in the endothelial cells, causes the swelling of the blood vessel wall, reduces the lumen and increases the resistance of blood flow.
3. Too much sodium damages the inner wall of blood vessels, increases the resistance of blood flow, and then increases the blood pressure.
4, sodium retention caused by excessive salt intake can increase intracellular sodium and inhibit sodium potassium -AT&Beta. * enzyme activity increases extracellular calcium into cells, while sodium increases in cells, resulting in the loss of sodium gradient inside and outside the cell. Sodium calcium exchange is inhibited, resulting in less calcium excretion, resulting in increased calcium concentration in vascular smooth muscle cells, causing contraction of blood vessels and blood pressure. Rise.
5. Excessive sodium intake can enhance the sensitivity of blood vessels to catecholamine vasoconstrictor, increase the release of norepinephrine from sympathetic nerve endings, and increase the density of angiotension receptor on the vascular wall, resulting in excessive vasoconstriction, increased peripheral vascular resistance, and increased blood pressure.
That's how eating too much salt causes high blood pressure. It is suggested that we should not use salt to marinate our blood vessels for the sake of health and light diet.
What's the harm of eating too much salt
Taking too much salt will lead to hypertension, vascular sclerosis, increase the burden of kidney and so on.
1. Causes high blood pressure.
Many studies have confirmed that high salt diet can lead to high blood pressure.
2. Causes hardening of blood vessels.
Too much salt intake can easily lead to the increase of blood volume and the increase of side pressure on the blood vessel wall, which will cause vascular sclerosis.
3. Increase renal burden.
Eating too much salt makes people feel thirsty. They need to drink a lot of water to relieve it. Taking a large amount of salt for a long time will lead to swelling of the body and increase the burden on the kidney.
3. Gastric cancer.
High concentration of salt can damage gastric mucosa and induce gastric cancer.
4. Susceptible to cold.
People who eat more salt tend to catch cold. Because high concentration of salt can inhibit the activity of respiratory tract cells and their resistance to disease; at the same time, it can also reduce saliva, reduce oral lysozyme, and increase the chance of virus and pathogen infection in the upper respiratory tract.
5. Accelerate bone calcium loss.
Eating more salt is prone to osteoporosis.
6. Excessive salt can cause cataract.
Australian researchers have found that if the salt content of food is too high, the risk of cataract will increase. Cataract means that the lens of the eye becomes white, which may lead to blindness if not treated.