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Study Reveals 1 in 3 Americans May Have Iron Deficiency

4/9/2026

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Summary

Story summary

A new study indicates that nearly 1 in 3 Americans may have undiagnosed iron deficiency, which can cause fatigue and difficulty concentrating.
Analysis of over 8,000 adults found 14% had absolute iron deficiency and 15% had functional iron deficiency.
Doctors typically do not screen for this condition, and the study aims to encourage better screening and awareness among healthcare providers.
Women, especially pregnant women, are at higher risk.

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Story summary

A new study indicates that nearly 1 in 3 Americans may have undiagnosed iron deficiency, which can cause fatigue and difficulty concentrating.
Analysis of over 8,000 adults found 14% had absolute iron deficiency and 15% had functional iron deficiency.
Doctors typically do not screen for this condition, and the study aims to encourage better screening and awareness among healthcare providers.
Women, especially pregnant women, are at higher risk.