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) ...

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 ...

The effects of stress vary from person to person. Sodium, an essential nutrient, helps your body function by maintaining blood pressure and fluid levels, as well as supporting your muscles and nerves.

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.