This exploratory study in healthy young adults found that plasma sodium levels within the normal clinical range are ...

RAMAT-GAN, Israel — Your blood test results might be “normal,” but still put you at risk for serious heart problems. A major international study found that people with serum sodium levels at the upper ...

DEAR DR. ROACH: My mother’s blood test has a sodium level of 130 mEq/L. She is not on diuretics, and she does not have heart or kidney problems. She is on thyroid medication and omeprazole. Do I need ...

Diabetes insipidus is a condition characterized by the overproduction of urine. It can lead to a potentially serious condition called hypernatremia when sodium levels in your blood are elevated.

DEAR DR. ROACH: My husband had a nonstop coughing incident for a night and day after a feast, which landed him in the emergency room. He was found to have extremely low sodium levels (118-120 mEq/L), ...

In older adults, low sodium often results from certain medications, kidney issues, or infections. Because multiple factors may contribute, treatment depends on identifying the underlying cause. Sodium ...