Are you iron deficient? Iron deficiency is the most common and widespread nutritional disorder in the world today. In fact, according to the World Health Organization, approximately 50% of all cases of anemia are caused by iron deficiency. Pediatric hematologist, Doctor Ibrahim Al-Hashmi and nurse specialist, Leona Dove, discuss the causes and symptoms of iron deficiency and iron deficiency anemia in adults, children and those at risk. They will also discuss various treatment options that can effectively treat the condition.