Take a kidney out of the body and it still knows how to filter toxins from the blood. But all bets are off in the face of high blood pressure. "How does the kidney know how to do it and why does it ...

Human kidneys are an intricate network of tubes that process roughly 190 quarts of blood every day. Lining these tubes are epithelial cells that transport blood through the kidneys and circulate it ...

Avoiding foods and drinks that are high in sodium, potassium and phosphorus are among the usual recommendations. People with more advanced kidney disease may also be told to avoid too much protein.