Chronic kidney disease (CKD) is a progressive loss of kidney function over time. The kidneys play a crucial role in filtering waste products and excess fluids from the bloodstream, and when they are not functioning properly, waste can build up in the body and cause damage to other organs. There are many causes of CKD, including diabetes, high blood pressure, and genetic disorders. Symptoms of CKD may include fatigue, poor appetite, swelling of the ankles and feet, and trouble sleeping. If ...