The best recommendations for good nutrition is a diet with plenty of nutritional variety, full of fruits, vegetables and greens, and with diverse options. As for salt, is it bad for health? What are the recommendations?
The frequent guidance and precautions regarding salt are related to increased blood pressure and its consequences, such as a heart attack or stroke.
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However, something new has emerged about the use of salt. O Bonn University Hospital, in Germany, carried out a study with the aim of analyzing the effects of excessive salt intake.
One of the findings on the relationship between excessive salt consumption was that this action causes immune system problems.
Analyzes have shown that laboratory experiments on rats, fed with excess salt, provide bacterial infections in their bodies.
The humans used as volunteers ate portions with 6 grams more salt than normal in a diet. This consumption caused problems in the immune system of the volunteers, as well as in the rats.
A World Health Organization recommends a healthy diet with an intake of up to 5 grams per day, corresponding to one teaspoon of salt per day.
However, this salt sample included in the volunteers' diet corresponds to two fast-food meals a day. That is, it is not something disproportionate to some people's diet.
The Robert Koch Institute, a research institution and agency of the German federal government, carried out analyzes of the daily consumption of the German population.
Research points out that the country's citizens consume an excessive proportion of salt. This amount corresponds to 10 grams of salt per day for men and 8 grams is ingested by women.
To understand the relationship between salt intake and problems in the immune system, it was necessary to study the organism as a whole. This statement refers to the fact that the study only in cell culture is limited and ineffective.
Research points out that the insertion of large amounts of salt in the diet provides an increase in glucocorticoids. These inhibit the function of immune cells.
Excess sodium chloride is filtered by the kidneys and eliminated in the urine. This process activates a sensor that causes glucocorticoids to accumulate in the body and, consequently, immunodeficiency.
Previously, there was no such relationship between salt and failures in the body's defense. That's because the known was the ability of sodium chloride to kill parasites in the body, which was related to improved immunity.
That is why this study by the University Hospital of Bonn is so important. However, Katarzyna Jobin states that a single study is not enough to delimit an answer, and it is wrong to generalize it. Thus, it is necessary to carry out more investigations carried out in the whole organism.
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