A better way to detect iron deficiency?

Approximately 10% of US children under 3 years of age will experience some degree of iron deficiency that, even in the absence of overt anemia, has the potential for causing long-term cognitive defects. Clinicians are not only faced with conflicting guidance on screening for iron deficiency but also lack a straightforward method for doing so. About three-quarters of children with iron deficiency will have nominally normal hemoglobin levels and,...