Iron deficiency

Definition

Iron deficiency is a condition where the body lacks adequate iron to produce hemoglobin, leading to reduced oxygen transport in the blood. It can result in symptoms like fatigue, weakness, and impaired cognitive function.

5 Must Know Facts For Your Next Test

1. Iron deficiency is the most common nutritional deficiency globally and a leading cause of anemia.
2. Neurological symptoms of iron deficiency can include poor concentration, irritability, and developmental delays in children.
3. During pregnancy, iron requirements increase significantly to support fetal development and prevent maternal anemia.
4. Dietary sources of iron include red meat, poultry, fish, legumes, and fortified cereals; vitamin C enhances iron absorption from plant-based sources.
5. Chronic blood loss from conditions such as gastrointestinal bleeding or heavy menstrual periods can lead to iron deficiency.

Review Questions

• What are the primary neurological symptoms associated with iron deficiency?
• Why is iron particularly important during pregnancy?
• Which foods are good dietary sources of iron?

Related terms

Anemia:

A condition characterized by a lack of healthy red blood cells or hemoglobin, often due to iron deficiency.

Hemoglobin: A protein in red blood cells that carries oxygen throughout the body; its production depends on sufficient iron levels.

Ferritin:

A blood protein that contains iron and is used as an indicator of total body iron stores.