Show pageBacklinksCite current pageExport to PDFBack to top This page is read only. You can view the source, but not change it. Ask your administrator if you think this is wrong. Weakness and fatigue are common symptoms of vitamin B12 deficiency. ... As a result, you are unable to efficiently transport oxygen to your body's cells, making you feel tired and weak. In the elderly, this type of anemia is often caused by an autoimmune condition known as pernicious anemia. vitamin_b12_deficiency.txt Last modified: 2024/06/07 02:59by 127.0.0.1