Sodium balance is tightly controlled by the body. The kidneys normally excrete sodium in excess of needs to maintain the body's sodium balance. During strenuous physical activity, the body can lose too much sodium if heavy perspiration occurs, says Crayton. It's easy to replace sodium, other minerals and water by having a snack or meal along with a beverage. To replenish body fluids, drink adequate amounts of water or a non-caffeinated beverage.
Most people associate excess dietary sodium with high blood pressure.
High blood pressure is one factor that increases the chance of heart disease and strokes, but the exact causes of high blood pressure and how to prevent it are not fully understood. Scientists have found the development of high blood pressure can involve several factors. For certain people who have high blood pressure, high intakes of salt are linked to their condition.