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TOP>overtaking and lack

A lot of people think that it is not good to consume too much salt.
According to the “Japanese meal intake standard (2010)” by the Ministry of Health, the best amount of salt for a Japanese adult to consume is 9g for men, 7.5g for women. However, the actual amount of salt a Japanese person intake each day is 11.5g for men, 10g for women in average.





Consuming too much salt may cause high blood pressure, but this depends on each person’s predisposition.
Especially for Japanese people, there are more people who cause high blood pressure by consuming too much salt (we call this type of person “a person with salt sensitivity”) than people who doesn’t cause high blood pressure at all (a person without salt sensitivity).

Everyone takes salt every day, but there are lots of things that we don’t really know about; for example, how salt effects to our body, what happens if we consume too much/not enough salt.
In this page, we will introduce the effect of salt over human body, and what happens and why it is not good to take too much/not enough salt.

How salt works in human body
Salt is also called as "sodium chloride", which is a matter made by sodium and chlorine.
This sodium exists in the cell external solution to keep the osmotic pressure of the cell external solution fixed.
Therefore, if you overtake or don’t take enough salt, it cannot keep the osmotic pressure of the cell external solution, and loses its balance.
There are several more works that sodium does, such as moving muscles or becoming the ingredient of digestive juice of stomach.
Also, not only sodium but also chlorine is important to become the digestive juice of stomach as well.
These days, a lot of Japanese people are working hard to decrease the intake of salt, but when you look at the each symptom, lacking salt can be more dangerous than overtaking salt.
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