He has written for Foreign Policy,The Guardian, Foreign Affairs, Politico and a host of other publications. The Interpreter Joins RFE/RL. We are proud to announce that, starting January 1, 2016, The Interpreter will be a special project of Radio Free Europe/Radio Liberty.
1 Sodium plays a large role in fluid balance, with different variations of sodium determining the shift of water by osmosis from one area of the body to another.  Along with chloride and bicarbonate, sodium is important for the proper regulation of the acid-base balance of the body.
Sodium. Sodium is important to maintain a healthy blood volume, with just the right amount of fluids. Your kidneys filter the blood and work to help maintain the fluid balance in your blood. Too much salt can lead to too much fluid, and your kidneys have to work harder to maintain your fluid balance.