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: I am a 64-year-old female and weigh 130 pounds. I’m 5 feet, 8 inches tall. For years, off and on, my primary doctor would tell me that my sodium level was low. Recently, my doctor said ...

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), ...

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.