Sodium is not a pathogen, but it, too, kills. Just ask the World Health Organization (WHO), which reports that two million of the eight million poor diet deaths can be blamed on high sodium intake.

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 ...

Salt, or more precisely the sodium it contains, is very much a "Goldilocks" nutrient. Low sodium levels cause a drop in blood volume, which can have serious, sometimes deadly, health consequences.

Hyponatremia, or low blood sodium concentration, is typically viewed as a symptomless condition-until recently. A research team led by Professor Yoshihisa Sugimura, including Dr. Haruki Fujisawa, ...