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Moderate Salt Intake is Good for People With Hypertension

by Adeline Dorcas on March 23, 2023 at 1:33 AM
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Reducing salt intake to moderate levels may lower high blood pressure (hypertension) naturally, reveals a new study. Results from a clinical trial published in the Journal of Internal Medicine reveal several health benefits of moderate salt restriction in patients on standard medical treatment for primary aldosteronism.

What is Primary Aldosteronism?

Primary aldosteronism-a condition in which the adrenal glands make too much of the hormone aldosterone-is a common cause of secondary hypertension. The combination of aldosterone excess and high dietary salt intake leaves affected patients with a higher risk of cardiovascular disease than patients with hypertension from other causes. Mineralocorticoid antagonists are the main treatment of primary aldosteronism, but these medications do not completely normalize patients' elevated cardiovascular risk.


Because elevated aldosterone and high dietary salt intake have detrimental effects on patients' health, investigators wondered whether salt restriction might benefit patients.

How Much Salt is Safe for People with High Blood Pressure?

In the non-randomized single-arm Salt CONNtrol trial that included 41 patients, moderate salt restriction reduced blood pressure and depressive symptoms without detectable adverse effects.

‘Even moderate decrease in sodium intake can help manage high blood pressure (hypertension) naturally.’

"The study shows that a moderate dietary salt restriction is feasible, when combined with a dedicated smartphone app for continuous motivation, and has a strong antihypertensive effect in patients with primary aldosteronism," said corresponding author Christian Adolf, MD, of Ludwig Maximilian University of Munich, in Germany.

"Our findings will help to improve care for patients with primary aldosteronism and, likely, also for subgroups of patients with essential hypertension."

Source: Eurekalert

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