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Sodium has been linked with hypertension which is a major risk factor in the development of heart disease and stroke. As salt is the major dietary source of sodium, we are advised to control our salt intake.
The Government, through SACN, has examined the link between sodium and high blood pressure and concluded that reducing sodium in the diet appeared to help lower blood pressure in both those with high and those with normal blood pressure. SACN recognised that lowering sodium in the diet should be managed as part of a healthy diet and lifestyle, as several other factors have an important role in controlling blood pressure. Maintaining a healthy body weight and increasing physical activity are critical factors. A high alcohol intake increases the risk of hypertension. Several recent studies have shown that blood pressure can be reduced by having a balanced diet including a good intake of fruits and vegetables which are high in potassium – another essential mineral.
Experts have different views about how much effect sodium has on blood pressure compared to these other issues. However, current Government advice is that, as a precaution, consumers should reduce their sodium intake.
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