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Kidney disease
Kidney disease, such as chronic kidney disease (CKD) or renal failure, has a detrimental impact on the functioning of the kidneys. Your kidneys are unable to effectively eliminate extra salt or water from your body when they are damaged. Pressure builds in your blood if sodium and fluid levels become too high, which can induce further harm to already damaged. So low sodium diets are prescribed in order to avoid or treat kidney disease.