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The prevalence of cobalamin deficiency among vegetarians assessed by serum vitamin B12: a review of literature

Vitamin B12 is an essential nutrient that plays a vital role in many bodily functions, including red blood cell formation, nerve function, and DNA synthesis

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This, in turn, boosts metabolic rate and activates a gene known as sirtuin-1 (SIRT1), also referred to as the "longevity gene." SIRT1 is involved in reducing the risk of various conditions such as diabetes, obesity, metabolic syndrome, atherosclerosis, cardiovascular disease, kidney disease, liver disease, neurodegeneration, and cancer.

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