The people having the condition of kidney failure are not able to think clearly and go through the confusion in their daily lives to perform even simple tasks. The patients feel like they are losing their memory and are no longer able to concentrate on work or on studying. The reason behind this state of confusion is the anaemia that occurs due to the failure of kidneys. The condition of hypoxia develops, in which there is a reduction in the supply of oxygen to the brain and other body parts. The reduction of oxygen to the brain results in the memory problems and issues with concentration.