Dietary sodium and health: more than just blood pressure

Sodium is essential for cellular homeostasis and physiological function. Excess dietary sodium has been linked to elevations in blood pressure (BP). Salt sensitivity of BP varies widely, but certain subgroups tend to be more salt sensitive. The mechanisms underlying sodium-induced increases in BP ar...

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Veröffentlicht in:Journal of the American College of Cardiology 2015-03, Vol.65 (10), p.1042-1050
Hauptverfasser: Farquhar, William B, Edwards, David G, Jurkovitz, Claudine T, Weintraub, William S
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container_issue 10
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container_title Journal of the American College of Cardiology
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creator Farquhar, William B
Edwards, David G
Jurkovitz, Claudine T
Weintraub, William S
description Sodium is essential for cellular homeostasis and physiological function. Excess dietary sodium has been linked to elevations in blood pressure (BP). Salt sensitivity of BP varies widely, but certain subgroups tend to be more salt sensitive. The mechanisms underlying sodium-induced increases in BP are not completely understood but may involve alterations in renal function, fluid volume, fluid-regulatory hormones, the vasculature, cardiac function, and the autonomic nervous system. Recent pre-clinical and clinical data support that even in the absence of an increase in BP, excess dietary sodium can adversely affect target organs, including the blood vessels, heart, kidneys, and brain. In this review, the investigators review these issues and the epidemiological research relating dietary sodium to BP and cardiovascular health outcomes, addressing recent controversies. They also provide information and strategies for reducing dietary sodium.
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subjects African Americans
Animals
Autonomic Nervous System - physiology
Blood Pressure - drug effects
Blood Pressure - physiology
Cardiac Output - physiology
Health Behavior
Humans
Hypertension - ethnology
Sodium, Dietary - pharmacology
Vascular Resistance - physiology
title Dietary sodium and health: more than just blood pressure
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