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.
An Essential Mineral. Magnesium is more important than calcium, potassium or sodium as it is required to regulate them. The chief function of magnesium is to activate certain enzymes, especially those related to carbohydrate metabolism.n Essential Mineral. Magnesium is more important than calcium, potassium or sodium as it is required to regulate them. The chief function of magnesium is to activate certain enzymes, especially those related to carbohydrate metabolism.