We love the taste of salt, which is fortunate because we need it.
The salt we sprinkle on our chips or scrambled eggs is sodium chloride. Both sodium and chloride are essential nutrients. We get chloride from various foods, but we mostly consume sodium in the form of salt. We need both elements for critical body functions such as the firing of nerves and muscles, and maintaining fluid balance. If your sodium levels get too low, you might suffer cramps, nausea, vomiting or