Too much salt is not good for your immune system

Everyone knows, too much salt is not good for blood pressure or organs like kidney.

Now a study says, it is not good for the entire immune system. Eating more than the recommended amount of salt disrupts the antibacterial function of a type of immune cell, according to a research done in mice and humans.

The study, published in Science Translational Medicine, was done by the researchers at the University Hospital of Bonn in Germany.

They found that a high salt diet in mice exacerbated a common bacterial infection of the kidneys — Escherichia coli. In the process of the kidneys regulating high blood sodium levels, they inhibit one arm of the immune system, impairing its ability to fight off bacterial infections. They believe that the kidneys’ response to high dietary salt may indirectly affect the neutrophils.

To confirm these findings in humans, the researchers put volunteers on a high salt diet. After a week on the high salt diet, the volunteers had higher levels of glucocorticoids in their bodies. Glucocorticoids are well-known for their immunosuppressant properties.

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