Most liver cysts do not cause any symptoms. However, if cysts become large, they can cause bloating and pain in the upper right part of your abdomen. Sometimes, liver cysts become large enough that you can feel them through your abdomen.
A lack of vitamin B12 (B12 deficiency) is one cause of anaemia. Pernicious anaemia is a condition where vitamin B12 cannot be absorbed into your body. It is the most common cause of vitamin B12 deficiency in the UK.Vitamin B12 deficiency can easily be treated by regular injections of vitamin B12.Intrinsic factor is made by cells in the lining of the stomach and is needed for vitamin B12 to be absorbed.). Pernicious anaemia is the most common cause of B12 deficiency in the UK. It is classed as an autoimmune disease.
Having vitamin B12 deficiency means that your body does not have enough of this vitamin. You need B12 to make red blood cells , which carry oxygen through your body. Not having enough B12 can lead to anemia, which means your body does not have enough red blood cells to do the job. This can make you feel weak and tired.