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Lower sodium intake 'reduces heart failure symptoms'

Reduction of sodium intake to 3g per day improves clinical health outcomes for patients with heart failure, South Korean researchers have found.

They examined 232 patients, assessing their urinary sodium excretion and noting the frequency and severity of heart failure symptoms using the modified Memorial Symptom Assessment Scale-Heart Failure.

Those who had an intake of over 3g a day exhibited greater symptom burdens after factors including age, gender and body mass index were taken into account.

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