Key result
Reducing dietary salt intake to the recommended 5 g per day lowers blood pressure and is a key public health strategy for preventing hypertension and cardiovascular diseases.
Why the study?
Does reducing dietary salt intake prevent hypertension and cardiovascular events in the general population?
Does reducing dietary salt intake prevent hypertension and cardiovascular events in the general population?
Population-wide salt reduction strategies, such as food reformulation, are essential for preventing hypertension and subsequent cardiovascular events.
People consumed salt exclusively through food millions of years ago, which amounted to less than 0.5 g/day. Recent researches indicate that the average daily consumption of salt is more than 10 g/day. The general conclusion of studies investigating the relationship between dietary salt intake and blood pressure led to recommendations on reducing salt intake and limiting total intake to 5 g of salt per day by the World Health Organization and the European Safety Agency of Food. Increased salt intake causes suppression of the Renin-Angiotensin-Aldosterone system by reducing sodium renal excretion. Also, an increase in salt intake leads to an increase in the concentration of sodium in the blood, which causes high secretion of vasopressin and causes high blood pressure. Namely, bread is a basic food and is high in salt, but the salt parameter is not mandatory in accordance with the regulations. Today, almost every EU country has different strategies that include recommending salt reduction through food reformulation to reduce the salt content of food, including bread and bakery products. Achieving and maintaining the reduction of the population's salt intake will soon give a great benefit in terms of the prevention of cardiovascular events as the first cause of death globally, then great savings for the health system and an individual.
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Lazić et al. (2022) conducted a review in Hypertension. Dietary salt reduction vs. High salt intake was evaluated. Reducing dietary salt intake to the recommended 5 g per day lowers blood pressure and is a key public health strategy for preventing hypertension and cardiovascular diseases.
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