Estrogen, testosterone, and progesterone also contribute to blood flow in your brain which helps protect against loss of memory and even dementia
Lack of Vitamin B-12 Leads to Weight Gain Somehow According to observational studies, people suffering from obesity or are overweight tend to have lower vitamin B-12 levels in their systems
Gastroenterology 78:777781, 1980 Ebbehj N, Fris J, Svenosen LB, Bullow S, Madsen P: Indomethacin treatment of acute pancreatitis
Brain Research Bulletin, 176, 139-146
Anemia, characterized by pale or jaundiced skin, is another potential sign, as vitamin deficiency can affect red blood cell production