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 ...

Having a "high normal" serum sodium level in midlife, which reflects less than optimal fluid intake, is associated with an increased risk for left ventricular hypertrophy — a heart failure (HF) ...

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 ...

Please provide your email address to receive an email when new articles are posted on . Researchers reported that serum sodium above 143 mmol/L at middle age, an indicator of hypohydration, was ...

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), ...