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What is the main function of sodium in the body?

Published in Sodium Functions 1 min read

Sodium plays a vital role in maintaining fluid balance and supporting crucial bodily functions. According to research, 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.

Key Functions of Sodium

  • Fluid Balance: Sodium helps regulate the amount of water inside and outside of cells, maintaining proper hydration.
  • Blood Pressure Regulation: By influencing fluid volume, sodium contributes to the regulation of blood pressure.
  • Cellular Function: Similar to chloride and potassium, sodium creates specific channels in the membranes of our cells which carry out different vital tasks.

The Importance of Sodium Balance

Maintaining the right balance of sodium is crucial for overall health. Too much or too little sodium can lead to various health problems:

  • Hyponatremia (Low Sodium): Can cause confusion, nausea, and in severe cases, seizures or coma.
  • Hypernatremia (High Sodium): Can lead to dehydration, increased thirst, and in severe cases, brain dysfunction.

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