Sodium Chloride and Blood Pressure

  • G. A. MacGregor
Conference paper

Abstract

The balance between salt intake and excretion of sodium chloride plays an important role in determining the volume of extracellular fluid. When mammals moved away from the sea, particularly herbivorous mammals, they had some difficulty in obtaining enough sodium chloride and this could account for their salt appetite and the powerful mechanisms that conserve both sodium and chloride in urine and sweat. In early civilisations man found that sodium chloride was able to preserve food and this allowed the preservation of food during the winter. Salt, therefore, became of economic importance. Large amounts of salt are now consumed in most societies in the world (100–400 mmol/day) compared with what was eaten during man’s evolution (approximately l–10 mmol/day) [1].

Keywords

High Blood Pressure Essential Hypertension Sodium Intake Salt Intake Sodium Restriction 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin Heildelberg 1986

Authors and Affiliations

  • G. A. MacGregor
    • 1
  1. 1.Blood Pressure Unit, Department of MedicineCharing Cross and Westminster Medical SchoolLondonGreat Britain

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