Fatigue
Gray hair
Growth problems
Headaches
Irritability
Lethargy
Loss of appetite
Pale skin
Tongue swelling
Weakness
A diet with insufficient amount of fresh fruits, vegetables, and fortified cereals
A family history
Cancer
Excessive alcoholism
Overcooking food
Pregnancy as the growing baby absorbs lots of folic acid from its mother
Side effects of some medication
Stomach operations
General Physician
Gynecologist and Obstetrician
Hematologist
Oncologist