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Low Salt Intake May Be Just as Harmful
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Low Salt Intake May Be Just as Harmful

High salt intake has been linked to increased blood pressure and greater risk for heart problems. But according to new research, low salt intake may be just as harmful. Published in The Lancet, the study found that low salt, or sodium, intake may raise the risk of heart attack, stroke and death, compared with an average salt intake.
Lead author Andrew Mente, of the Michael G. DeGroote School of Medicine at McMaster University in Canada, and colleagues say their results indicate only people with high blood pressure (hypertension) who have a high salt intake should reduce their salt consumption.
Furthermore, researchers suggest current recommendations for daily salt consumption may be set too low.
The Dietary Guidelines for Americans recommend that Americans consume less than 2,300 milligrams of sodium each day - the equivalent to 1 teaspoon of salt.
It is widely accepted that too much salt in the diet can lead to high blood pressure, increasing the risk for heart attack, stroke, and other cardiovascular diseases, medicalnewstoday.com reported.
The team analyzed data of more than 130,000 individuals in 49 countries.
They looked at the sodium intake of participants and how this related to the risk of heart disease and stroke among those with and without high blood pressure.
Compared with people who had an average sodium intake, the rates of heart attack, stroke, and death were higher among those who had a low sodium intake, regardless of whether participants had high blood pressure.
Interestingly, low salt intake in the study was defined as an intake of less than 3,000 milligrams a day.
Furthermore, researchers found that only individuals with high blood pressure appeared to be subject to the risks associated with high salt intake - defined as more than 6,000 milligrams daily.
Mente says the team’s findings are “extremely important” for individuals with high blood pressure.
“While our data highlights the importance of reducing high salt intake in people with hypertension, it does not support reducing salt intake to low levels.
The findings are important because they show that lowering sodium is best targeted at those with hypertension who also consume high sodium diets.
Furthermore, the team believes the results indicate that the current daily recommendation for salt intake may be set too low.

 

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