Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Kidney Failure: Eat Right to Feel Right on Hemodialysis ?
    ### Response:
    Calories provide energy for your body. If your doctor recommends it, you may need to cut down on the calories you eat. A dietitian can help you plan ways to cut calories in the best possible way.
                
Some people on dialysis need to gain weight.
    