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Eating a low-salt diet cut blood pressure readings by as much as the typical hypertension medication without the potential side effects, a new study found. Cutting 1 teaspoon of salt works as well ...
Reduced salt intake also results in a small but statistically significant reduction in blood pressure. [19] [26] Left ventricular hypertrophy (cardiac enlargement): "Evidence suggests that high salt intake causes left ventricular hypertrophy. This is a strong risk factor for cardiovascular disease, independently of blood pressure effects."
For the new analysis, researchers focused on 157 women and 454 men who had healthy blood pressure levels and were given food either with the usual amount of salt or with a salt substitute.
For certain people with salt-sensitive blood pressure or diseases such as Ménière's disease, this extra intake may cause a negative effect on health. WHO guidelines [ 4 ] [ 5 ] state that adults should consume less than 2,000 mg of sodium/day (i.e. about 5 grams of traditional table salt), and at least 3,510 mg of potassium per day. [ 6 ]
In hospital it affects about 15–20% of people; however, only 3–5% of people who are hospitalized have a sodium level less than 130 mmol/L. Hyponatremia has been reported in up to 30% of the elderly in nursing homes and is also present in approximately 30% of people who are depressed on selective serotonin reuptake inhibitors.
Using salt substitutes may significantly reduce the risk of developing high blood pressure, study finds.
While the original study was designed to test the effects of several varying nutrients on blood pressure, DASH-Sodium varies only in salt content in the diet. [13] Participants were pre-hypertensive or at stage 1 hypertension, and either ate a DASH Diet or a diet reflecting an "average American Diet".
For most people, recommendations are to reduce blood pressure to less than or equal to somewhere between 140/90 mmHg and 160/100 mmHg. [2] In general, for people with elevated blood pressure, attempting to achieve lower levels of blood pressure than the recommended 140/90 mmHg will create more harm than benefits, [3] in particular for older people. [4]