glutathione gssg disulfide GSH: glutathione; GSSG: disulfide glutathione;

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Glutathione acts as a primary buffer against this systemic stress

Mitochondria are the powerhouses of our cells, responsible for generating ATP through a complex process called the electron transport chain

Caballero MR, Lukawska J, Lee TH, Dugu P

Sociodemographic characteristics Diagnosis (vitamin B12 deficiency or pernicious anaemia), age, sex, education level, employment status, country of residence (England, Wales, Scotland, Northern Ireland, Republic of Ireland), region of residence (nine English regions, according to the Office for National Statistics, Wales, Scotland, and Northern Ireland) were assessed using the questions in Supplementary Table S1