DEAR DR. ROACH: My wife and I both have chronically low blood sodium levels, mostly around 132, but sometimes lower. It never reaches 135. This is of concern because sodium is essential for cell ...

Salt is the unsung hero of the culinary world—but it’s often labeled as the villain of heart health. You’ve probably heard ...

Sodium is an essential nutrient that must be consumed in moderation through the diet. Learn how long it stays in your system.

Syndrome of inappropriate antidiuretic hormone secretion (SIADH) is a common complication of small cell lung cancer (SCLC). It can cause many symptoms related to low sodium or other electrolyte ...

If you're one of the many Americans trying to reduce the sodium in your diet, potassium chloride may help do the trick, dietitians say. But some people need to be careful when adding this to their ...