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Elevated Vitamin B12, Risk of Cancer, and Mortality: A Systematic Review.

Sandra Brigitte Amado GarzonLuisana Molina-PimientaAndrea Vejarano-PomboMariana Vélez-BonillaJaime Moreno-ChaparroAdriana Buitrago-Lopez
Published in: Cancer investigation (2024)
Vitamin B12 (B12) is a molecule involved in several biological. Abnormally high levels are frequently found, but their causes can be multiple, and consequences have not been clearly elucidated. The objective of this review was to summarize the current evidence on the associations of elevated B12 and the development of cancer, and all-cause mortality in adults. Six references looking at mortality and seven looking at cancer risk were included. The evidence suggests an association between elevated B12 with a higher risk of cancer, with risk ratios ranging 1,88 to 5,9. There was less consistent evidence linking vitamin B12 and mortality.
Keyphrases
  • papillary thyroid
  • squamous cell
  • risk factors
  • type diabetes
  • squamous cell carcinoma
  • childhood cancer
  • cardiovascular disease