sábado, 16 de agosto de 2014

Gosta de sal?

Lower Your Salt Intake? Fugetaboutit!

A new article in the New England Journal of Medicine (August 14, 2014) studied the sodium levels in 101,945 persons from 17 countries. The scientists examined the association between sodium excretion and the outcome of death and major cardiovascular events. Sodium excretion correlates directly with sodium ingestion.
Over a mean follow-up of 3.7 years, the authors found that those with the lowest sodium excretion (less than 3 grams of sodium per day or ½ teaspoon of salt) had the highest rate of death or cardiovascular events—4.3%. Those who excreted 3-4 grams per day (just over ½ teaspoon of salt) had a cardiovascular incident rate of 3.1%–28% lower than the lowest salt-ingesting group. In fact, those who ingested more sodium, including the highest group (>7 grams per day or over 1 teaspoon of salt) had a 24% lowered death or cardiovascular event rate when compared to the lowest group (the incident rate in the highest group—7 grams per day–was 3.3%).
This article is another in a long-line of salt articles debunking the myth that we need to lower our salt intake. I have tested thousands of patients for their salt levels. I can assure you that the vast majority of patients are low in salt.

Salt is a vital, essential substance that we cannot live without. Low-salt diets do not lower the blood pressure for the vast majority of individuals. In fact, low salt diets are detrimental to most as shown in this study.
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