A human kidney is built once, before birth, and the rules guiding its construction have been largely inferred from animal models. Researchers at Penn Medicine have now read those rules directly in ...

A new study reveals how kidneys rebuild immune defenses after injury. The kidneys filter about 50 gallons of blood every day, removing waste while helping regulate blood pressure, balance fluid levels ...

Your kidneys—those fist-sized organs tucked against your back muscles—perform over a dozen vital functions that keep you alive every moment of every day. These remarkable filtration systems process ...

Our kidneys do a tremendous amount of work. Every day, they filter about 150 quarts of blood, cleaning it of waste, toxins and extra water. They regulate how much fluid is in the body and balance our ...