Consequences for Kidney Function from Consuming Excess Sodium from Fast Food.

High sodium intake, commonly from fast food, can harm renal function. High sodium intake strains the kidneys, which balance fluid and electrolytes. Excess salt, especially from fast food, can harm kidney function:

High blood pressure is a major effect of salt. Hypertension damages renal blood vessels and reduces blood filtration, making it a major risk factor for kidney disease.

Fluid retention can result from excess sodium. Fluid volume can strain blood arteries and demand more from the kidneys, reducing renal function over time.

Progression of chronic kidney disease (CKD) reduces kidney function. High sodium intake increases CKD risk and severity.

Higher urine calcium levels may cause kidney stones, which are unpleasant and impair kidney function.

Excess protein in the urine indicates renal injury. High sodium intake increases proteinuria, which may damage the kidneys.

High sodium levels can cause renal inflammation and oxidative damage. Chronic inflammation and oxidative stress accelerate renal damage.

Blood vessel impact: Kidney blood arteries can harden with high sodium intake. Reduced blood artery flexibility can damage kidneys and reduce blood flow.

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