I'm a Fitness & Nutrition writer for CNET who enjoys reviewing the latest fitness gadgets, testing out activewear and sneakers, as well as debunking wellness/fitness myths. In my free time I enjoy ...

Constancy of the milieu intérieur, defined by Claude Bernard in the late 1800s, is essential for terrestrial life. Sodium balance in humans is part and parcel of that environment and is maintained in ...

Electrolytes are minerals such as sodium, potassium, and magnesium. Some drinks are naturally rich in electrolytes, while others undergo special formulation to provide electrolytes. The term ...

Despite these losses, the increased delivery of potassium to the ECF from the intracellular space usually causes the serum concentration of potassium to be normal and, in some cases, high. This ...

During extreme heat, intense sweating, or prolonged physical exertion, the body loses not only water but also vital minerals ...

New research findings show how higher viscosity, or resistance to flow, of the extracellular fluid that surrounds cells enables cancer cells to migrate more rapidly from a primary tumor to other sites ...

Hypovolemia is a life-threatening complication that occurs when the loss of blood or other bodily fluids causes the body's fluid volume to drop. When you lose more than 15% of your fluid volume, your ...