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What is the role of sodium in the body?

James C. Bower Jr., MD
Cardiology (Cardiovascular Disease)
Sodium is a mineral that, together with potassium and calcium, regulates the body's water balance, maintains normal heart rhythm, and is responsible for nerve impulse conduction and muscle contraction. Excessive intake of sodium from food contributes to high blood pressure in some people. In people who already have high blood pressure, too much sodium may increase the risk of stroke, heart disease, and kidney damage.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.