Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Nutrition for Advanced Chronic Kidney Disease in Adults ?
    ### Response:
    CKD usually takes a long time to develop and does not go away. In CKD, the kidneys continue to workjust not as well as they should. Wastes may build up so gradually that the body becomes used to having those wastes in the blood. Salts containing phosphorus and potassium may rise to unsafe levels, causing heart and bone problems.
    