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 ...