Abstract
Answer E. Vitamin B12 deficiency
Deficiency of vitamin B12 is another common nutritional deficiency in the elderly. This can result in macrocytic anaemia, glossitis and mouth ulcers contributing to reluctance to eat owing to pain, peripheral paraesthesia, altered vision, memory loss and depression.
InnovAiT article: The ageing population. DOI: 10.1177/1755738021992817.