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.
Report Abuse. 1  Wear it on whatever arm you like (: i have found, however, that it's much more convenient to wear a watch on the arm that you do NOT write with/ do most things with. For example, if you're a righty, put it on your left arm, while if you are a lefty, put it on your right arm.