Figures legends:
Figure 1. Frequency of vitamin B12 deficiency in females and males in Aqaba.
Figure 2. The frequency of vitamin B12 deficiency in different regions in Jordan (Irbid is representing the most northern part of Jordan while Aqaba is the most southern part of Jordan).
Figure 3. Heat map of Jordan according to the frequency of vitamin B12 deficiency. (Irbid, Karak, Tafilah, Ma′an, and Aqaba)