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.
A sodium blood test is a routine test that allows your doctor to see how much sodium is in your blood. Itâs also called a serum sodium test. Sodium is an essential mineral to your body. Itâs also referred to as Na+. Sodium is particularly important for nerve and muscle function. Your body keeps sodium in balance through a variety of mechanisms.