Almost every cell in the body is replaced multiple times throughout the course of one’s life. The skeleton replaces itself every ten years, red blood cells every four months and the skin between two to four weeks. The human being at birth is completely different to the one at death. To even call this a human being is misleading as it suggests a static entity. Perhaps a more accurate term is human process. Not even the mind is safe, as it constantly changes its ideas and beliefs. Memories themselves can be updated, manipulated and distorted or simply forgotten.