Health Effects
The effect of a low salt diet on mortality or cardiovascular disease is unclear with any benefit in either hypertensive or normal tensive people being small if present. A low salt diet appears to increase the risk of death in those with congestive heart failure.
A low sodium diet in Caucasians has a useful effect to reduce blood pressure, both in people with hypertension and in people with normal blood pressure. Taken together, a low salt diet (median of approximately 4.5 g/day - approx 1800mg Sodium) in hypertensive people resulted in a decrease in systolic blood pressure by 5 mmHg, and in diastolic blood pressure by 2.70 mmHg. In people with normal blood pressure, the corresponding decrease in systolic blood pressure was 2.03 mmHg and diastolic blood pressure 0.99 mmHg.
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