Some fun facts about salt (sodium) that you might not know:-Salt (sodium) is necessary for survival. -Only 500 mg of sodium per day is necessary for survival; most Americans consume from 3,600 to 6,000 mg of sodium per day!-Sodium in our bodies is mainly used for keeping our teeth and bones strong and for maintaining our fluid balance. -Canned, smoked, cured, pickled, and fried foods have been ide