How the Kidneys Balance Water and Salt

The kidneys constantly fine-tune how much water you keep or release.
When you’re dehydrated, they conserve water by concentrating urine.
Too much salt triggers the kidneys to excrete the excess.
Hormones like ADH and aldosterone manage this balance.
It’s a real-time chemistry lab inside your body.
Balancing salt prevents swelling, cramps, and high blood pressure.
Every sip of water changes how your kidneys work instantly.
Athletes rely on this system to stay hydrated under stress.
Imbalance can quickly lead to fatigue and confusion.
Proper kidney function keeps your body’s internal sea stable.