Many people take vitamins and nutrients, or stick to certain types of nutrition to promote their health. In scientific studies, only a limited Use, however: The analysis of 227 studies, with almost a Million people showed that only a few nutrients, and for the reduction of salt clear results are available.
Little salt, the use of polyunsaturated Omega-3 fatty acids and folic acid supplements can reduce the study of the West Virginia University School of Medicine suggest that the risk for some diseases of the cardiovascular system.
Of 16 considered nutrients only long-chain Omega-3 rails-to bring fatty acids and folic acid benefits: folic acid could protect accordingly, before the stroke, and Omega-3 fatty acids reduce the risk for heart attack and coronary heart disease. To reduce salt, was the only diet change showed a Benefit. According to lead author Prof. Safi Khan, who published the results in the Annals of Internal Medicine, this is obvious, because salt has a direct effect on blood pressure and on the cardiovascular system.
Khan said: "The reason why we have this study conducted, was that millions of people in the United States and around the world a dietary Supplement, comply with, consume, or certain dietary habits. However, there were no high-quality evidence that these interventions impact on the protection of the cardiovascular system."
Khan and his colleagues did not suggest, however, that many of the 277 studies were not accurate enough or methodological problems. Therefore, the results should be viewed with some caution.