Adrenaline increases the "alertness" of the nervous system, meaning it's ready to trigger muscle contraction. It also increases the amount of blood flow and changes the tension of the muscles, which, ...

Hot and humid climates are particularly conducive to muscle cramps. Studies suggest that athletes, like Sinner, who compete in such conditions are at a higher risk due to the increased sweat loss and ...

Electrolyte drinks can be helpful in some situations, such as rehydration after heavy exercise or during illness, but most people don't need to drink them every day, and excessive consumption can ...

“Hydration isn’t just about water,” Ashley added. “Water moves nutrients into cells and helps remove waste, but electrolytes control where that water goes. They maintain the balance between fluids ...