Thursday, December 30, 2010

Role of Sodium in Human Body

Role of Sodium in Human Body
The human body contains approximately 1.3 g of sodium. About a third is found in our bones. The rest is our body fluids. It ensures a proper fluid and electrolyte or pH balance in our body, together with chlorine and potassium.

Sodium in the form of sodium chloride is ingested directly though food and many food materials contain this material.

Sodium helps our body retaining the body’s water and pH. It enables our cell walls to draw in nutrients. It plays a role in nerve function and muscle contraction. Sodium works in close association with chlorine and potassium.

Sodium also plays a special role in controlling the heartbeat by helping in its origin and maintenance.

Food sources of sodium including salt, smoked, pickled or refined foods, crisps, condiments such as tomato sauce, bread and breakfast cereals.

Many dieticians say that adding any salt to our food means we’re having too much in our diet. High levels of sodium in the body are associated with high blood pressure and hypertension.

Salt tablets may be recommended for dehydration and low blood pressure. Any active sport participation leads to a considerable loss of water.

Sufficient quantities of water should therefore be consumed during and after exercising. Drinking at least eight glasses of water a day will also reduce cravings for sweet and savory things.

Daily requirement is about 3-5 g for a normal adult. It is absorbed nearly completely from diet in the intestinal tract. Normally kidney excretes the excess if the sodium and deregulate the sodium content in the body.

Sodium deficiency results in muscle cramps. Headache. Poor appetite and dehydration, but the main sign is fatigue.
Role of Sodium in Human Body

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