You Feel Foggy or Cant Concentrate Brain fog, poor memory, and difficulty focusing are all linked to B12 deficiency
doi: 10.3389/fnut.2025.1686777 Received 15 August 2025 Revised 15 November 2025 Accepted 28 November 2025 Published 12 January 2026 Volume 12 - 2025 Edited by Andrea Orellana-Manzano, Escuela Superior Politcnica del Litoral (ESPOL), Ecuador Reviewed by Paulina Cerda Opazo, Autonomous University of Chile, Chile Aliakbar Fazaeli, Ardabil University of Medical Sciences, Iran Updates Copyright 2026 Garutti, de Scordilli, Alberti, Mazzeo, Michelotti, Fagioli, Del Conte, Casirati, Caccialanza, Bartolini and Puglisi
Of note, there are at least five other mechanisms besides secondary neuroinflammation by which COVID can affect the CNS (direct viral invasion of neural tissue, autoimmunity, reactivation of herpesviruses, neurovascular dysfunction, the sequelae of hypoxic, and other metabolic disturbances), which may occur exclusively or in combination in some individuals with varying frequency and timing (for review, see [88])
How do GLP-1 medications help with weight loss
Warrier, M