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Other symptoms may include: Glossitis (sore, red tongue) Mouth ulcers Visual disturbances (rare, due to optic neuropathy, requiring urgent assessment) Gastrointestinal symptoms such as diarrhoea or constipation It is crucial to recognise that neurological damage from B12 deficiency can become irreversible if left untreated for prolonged periods

Alcohol and its metabolites can show up in a hair sample for up to 90 days, although hair testing for alcohol is less common than hair testing for other substances

Tamilselvan J., et al

Infertility is a disease of the male or female reproductive system and is of increasing incidence in almost all countries of the world, regardless of ethnicity (1)

M.RayB.TuladharS.HediyalT