Sodium is a mineral essential to the body. Sodium is particularly important for nerve and muscle function.
The body keeps sodium in balance through different mechanisms. Sodium gets to blood through food and drinks. It leaves the blood through urine, stool, and sweat.
Having the right amount of sodium is important for health. Too much sodium can raise blood pressure. A lack of sodium can cause symptoms such as nausea, vomiting, exhaustion and dizziness