A lack of vitamin B12 (vitamin B12 deficiency) causes the signs and symptoms of pernicious anemia. Without enough vitamin B12, your body can't make enough healthy red blood cells, which causes anemia. Some of the signs and symptoms of pernicious anemia apply to all types of anemia. Other signs and symptoms are specific to a lack of vitamin B12.
Never understood why it's the norm for guys to wear watches on their left hand, and girls are supposed to wear them on the right hand. Date Posted: Apr 2, 2009 #2. Not gay. feminine.
It has become more of a personal preference as to which hand to wear the watch on. Right handed people tend to wear their watches on their left wrist to avoid interference with activities such as hand writing, etc., where as left handed people tend to wear their watches on their right wrists, for the same reasons.