Vitamin B12 deficiency: Glossitis on your tongue indicates low B12 levels warns the NHS - Express

VITAMIN B12 deficiency is a condition that occurs when the body is low on the B12 vitamin. It causes the creation of abnormally large red blood cells that fail to function properly. Knowing the symptoms is key so long term damage isn't done.

However, while pernicious anaemia is the common cause of the condition: “The exact cause of pernicious anaemia is unknown” says the NHS. Pernicious anaemia is most likely to affect: “women around 60… [+351 chars]

full article...