Associations between moderate alcohol consumption, brain iron, and cognition in UK Biobank participants: Observational and mendelian randomization analyses
Topiwala A, Wang C, Ebmeier KP, Burgess S, Bell S, Levey DF, Zhou H, McCracken C, Roca-Fernández A, Petersen SE, Raman B, Husain M, Gelernter J, Miller KL, Smith SM, Nichols TE. Associations between moderate alcohol consumption, brain iron, and cognition in UK Biobank participants: Observational and mendelian randomization analyses. PLOS Medicine 2022, 19: e1004039. PMID: 35834561, PMCID: PMC9282660, DOI: 10.1371/journal.pmed.1004039.Peer-Reviewed Original ResearchConceptsAlcohol use disorderHigh brain ironModerate alcohol consumptionBrain ironAlcohol consumptionAlcohol intakeUse disordersSubstantia nigraAlcohol-related cognitive declineIron depositionBrain regionsSusceptibility-weighted magnetic resonanceIron accumulationIron levelsBrain iron depositionBrain iron levelsSystemic iron levelsSystemic iron storesAlcohol-related cognitive deficitsBasal ganglia ironElevated liver ironMendelian randomizationWeekly alcohol consumptionUK Biobank participantsExecutive function