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Sodium plays a key role in normal nerve and muscle function. Sodium enters the body through food and drink and leaves the body primarily in sweat and urine. Healthy kidneys maintain a consistent level of sodium in the body by adjusting the amount excreted in the urine.
Sodium is essential to health and is necessary for blood pressure regulation, muscle contraction, maintenance of fluid balance, and more. Though the body requires sodium, most people take in...
One of sodium’s main functions is to balance the amount and distribution of water in our bodies, playing a key role in the control of our blood pressure. Similar to chloride and potassium, sodium creates specific channels in the membranes of our cells which carry out different vital tasks.
Sodium is an essential nutrient involved in the maintenance of normal cellular homeostasis and in the regulation of fluid and electrolyte balance and blood pressure (BP).
The body needs some sodium to work well. Sodium plays a role in: The balance of fluids in the body. The way nerves and muscles work. The kidneys balance the amount of sodium in the body. When sodium is low, the kidneys hold on to it. When sodium is high, the kidneys release some in urine.
The human body requires a small amount of sodium to conduct nerve impulses, contract and relax muscles, and maintain the proper balance of water and minerals. It is estimated that we need about 500 mg of sodium daily for these vital functions.
Sodium is the most important extracellular cation in the body, required for many physiologic processes, and is tightly regulated by many processes (renal, biochemical, endocrine, immune, and neural), to maintain blood sodium within a normal range [5,6,16].