Sodium plays a major role in regulating fluid balance within the body. The kidneys normally excrete excess sodium to keep blood volume stable. When sodium is retained, water follows into the bloodstream. This increase in fluid volume raises the amount of blood moving through vessels. As volume rises, pressure against vessel walls increases. Blood vessels stretch to accommodate the extra load, raising overall blood pressure. Persistent sodium retention also alters vessel responsiveness. Hormonal
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Sodium plays a major role in regulating fluid balance within the body. The kidneys normally excrete excess sodium to keep blood volume stable. When sodium is retained, water follows into the bloodstream. This increase in fluid volume raises the amount of blood moving through vessels. As volume rises, pressure against vessel walls increases. Blood vessels stretch to accommodate the extra load, raising overall blood pressure. Persistent sodium retention also alters vessel responsiveness. Hormonal
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