Studies

CellWell record HH-313443

Iron Deficiency and Human Brain Electrophysiology Across the Lifespan: A Systematic and Mechanistic Review of Resting EEG, Event-Related Potentials, and Treatment Responsiveness

James Chmiel; Jolanta Góral-Półrola; Patrycja Leśnicka; Marta Kopańska

2026

In plain language

Iron deficiency increased slow-wave brain activity, reduced alpha oscillations, and prolonged sensory and cognitive processing; supplementation improved some but not all electrophysiological abnormalities.

Evidence
Established
Design
Systematic review

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