Internationally,<unk>  caused by iron deficiencies is the most common<unk>  disorder. It is the only significantly prevalent<unk>  deficiency disorder in industrialized countries. In poorer areas,<unk>  is worsened by infectious diseases such as HIV/AIDS, tuberculosis, hookworm infestation, and malaria. In developing countries, about 40% of preschool children and 50% of pregnant women are estimated to be<unk> . 20% of maternal deaths can be contributed to<unk> . Health consequences of<unk>  include poor pregnancy outcomes, impaired cognitive and physical development, increased rate of morbidity, and reduced rate of work in adults.<unk>  has many different causes, each either<unk>  or non-nutritional.<unk>  causes are vitamin and mineral deficiencies and non-nutritional causes include infections. The number one cause of this type of<unk> , however, is iron deficiency. An insufficient intake of iron, Vitamin B12, and folic acid impairs the bone marrow function. The lack of iron within a person’s body can also stem from ulcer bacteria. These microbes live in the digestive tract and after many years cause ulcers in the lining of the stomach or small intestine. Therefore, a high percentage of patients with<unk>  may have a potential gastrointestinal disorder that causes chronic blood loss. This is common in immunocompromised, elderly, and diabetic people. High blood loss can also come from increased loss of blood during menstruation, childbirth, cancers of the intestines, and disorders that hinder the blood’s ability to coagulate. Medications can have adverse effects and cause<unk>  as well. Medications that stop the absorption of iron in the gut and cause bleeding from the gut (NSAIDs and Aspirin) can be culprits in the development of this condition. Hydrocortisones and valproic acid are also two drugs that can cause moderate bleeding from the gut. Amoxicillin and phenytoin have the ability to cause a vitamin B12 deficiency. Other common causes are thyroid disorders, lead toxcitiy, infectious diseases (e.g malaria), alcoholism, and vitamin E deficiency.
Nutritional anemia
Iatrogenic anemia
Iron deficiency
Zinc deficiency
Complications of diabetes
Vegetarianism
Mechanical hemolytic anemia
Zinc toxicity