SSMSE supports the standard Microsoft editing keyboard shortcuts. CTRL+C copies the selected text, CTRL+X cuts the selected text, CTRL+V pastes the contents of the clipboard, CTRL+Z undoes the most recent change, and CTRL+Y restores the last undo action. 1  F5--Run the Statement.
High vitamin B12 is a symptom of an underlying illness that causes the amount in your blood to increase. For example, a damaged liver may release the vitamin out of storage and into the blood. In early stages, illnesses associated with high vitamin B12 often have generic symptoms, such as fatigue and loss of appetite.itamin B12 does not accumulate to toxic levels. Consuming large quantities does not cause side effects or high levels in your system, whether you get it through food or from taking high-dose supplements.
Deficiency Symptoms. If you have abnormally low levels of vitamin B12, you may experience symptoms that include lack of adequate red blood cells, also known as anemia, as well as weakness, constipation, weight loss and lack of appetite.our doctor can measure your vitamin B12 levels through a blood test. Because of the general safety of the vitamin, upper limits for normal intake do not exist.