why is pernicious anemia treated with injections of b12 quizlet Anemia: Genomics and Deficiency Vitamin B12 Deficiency in Pernicious

This combination may support both physical health and mental well-being, leading to long-term success

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Anesthesia warning: This drug can interact with anesthesia that contains a drug called nitrous oxide

Groups at higher risk of deficiency include older adults (due to reduced stomach acid production), people following vegan or strict vegetarian diets (as B12 is naturally found almost exclusively in animal products), individuals with pernicious anaemia or other malabsorption conditions, those taking certain medications such as metformin or proton pump inhibitors long-term, and people with significant nitrous oxide exposure (including recreational use), which can inactivate B12 in the body