The first way to reduce high blood pressure that comes to mind for most people is the reduction of salt in the diet. Dr. William Castelli, senior researcher known Remengesau heart study, notes that in those few areas of the world where people consume little salt high blood pressure rare and age is not raised, unlike America. In addition, if you have high blood pressure, you can reduce it by abandoning the salt, especially if you belong to the third or half of the people, the pressure of which is especially sensitive to the sodium in the body. According to most experts, the decrease in the proportion of salt in the diet especially useful it is for these people. However, you belong to one of them or not, can only know yourself.
A large new study, which sponsors the national institutes of health, shows that for some people the partial renunciation of salt means freedom from having to take medication to lower blood pressure. The study, titled "TONE (test of non-pharmacological effects on elderly organism". "Trial of Nonpharmacologic Interventions in the Elderly") was to analyse the impact of weight loss and/or reducing the consumption of salt in pressure at 875 men and women aged 60 to 80 years old, who took medication for hypertension. Thirty-eight percent of examinees, which have reduced their daily consumption of sodium by about 900 mg were able to abandon drugs and hold pressure is normal throughout the 30 months of the study.
What improvements can be expected, limiting the use of sodium?
Dr. Malcolm low, University of London, estimated that the exclusion from power of one teaspoon of salt a day (about 2,000 mg of sodium) can reduce systolic blood pressure by an average of 7 mm Hg.St., and diastolic by 3.5 mm.RT.St., if you have it raised.
Refusal of the sodium can to the same to rejuvenate the blood vessels, which also reduces high blood pressure, according to Ross D. Feldman of the University of Western Ontario. He and his colleagues noted that the aging vessel to partially lose their ability to expand, which can cause elevated pressure; excess sodium exacerbates the situation. Through experiments, group Dr. Feldman determined that the decrease in the proportion of salt in the diet helped to restore the normal functioning of old blood vessels. Scientists have demonstrated that older people who received within four days of food with high salt content, the blood vessels expanded two times worse than those of younger volunteers. But in the group that received food with a reduced salt content of sodium, the blood vessels in the elderly expanded not worse than the young. This suggests that, according to Dr. Feldman, a diet low in salt can be an antidote to the deterioration of blood vessels, causing high blood pressure.
Note. One of the most important ways to reduce the amount of sodium in the diet is to refuse from food manufactured goods, which accounted for about 75% of sodium in the diet, and to use in food instead of regular salt salt with low sodium content and enriched Potassium.
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However, the refusal of sodium helps. Dr. Lamport advises people with high blood pressure as an experiment to reduce the use of salt for a couple of months. If pressure is reduced is fine, you can continue; However, if the increases to stop. But most importantly, he said, that not everyone can rely on the restriction of the use of sodium as the panacea for high blood pressure. The national institutes of health recommend eating no more than 6 g of sodium per day — so much is contained in about one teaspoon of salt.
Conclusion: the effects of salt in the diet on blood pressure depends on the individual biological response of the body. But even if you have normal pressure, it is wise to use less salt, because sodium can damage the blood vessels of the brain and strokes not only by increasing blood pressure. So says a doctor of medicine Louis Tobian Jr., who heads research Hypertension at the University of Minnesota. But if in addition to high blood pressure you have kidney problems or heart, you almost certainly need to limit salt intake, he warns.
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