Iron deficiency is a common form of malnutrition that affects more than 2 billion people globally.

1
Iron deficiency is a common form of malnutrition
that affects more than 2 billion people globally.
- Project IDEA (Iron Deficiency Elimination
Action), CDC
2
Prevalence () of iron deficiency and
iron-deficiency anemia, United States, third
National Health and Nutrition Examination Survey,
1988199. Sex and age (years) Iron
deficiency Iron-deficiency anemia Both
sexes 12
9
3 35
3
lt1 611
2

lt1 Nonpregnant females 1215
9
2 1619

11 3
2049
11
5 5069
5
2 ³ 70
7
2 Prevalence in
non-blacks is 1 percentage point lower than
prevalence in all races.
3
The transferrin cycle
Andrews, NEJM, 1999
4
Casadevall et al. NEJM. 346 (7) 469, Figure 1
February 14, 2002