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Growth, body composition, and cardiovascular and nutritional risk of 5- to 10-y-old children consuming vegetarian, vegan, or omnivore diets

The Schilling test is now considered obsolete with reliance on blood tests taking its place

Medical professionals must evaluate individual health profiles, monitor treatment response, and adjust dosing schedules accordingly

Malabsorption : Some people may have difficulty absorbing vitamin B12 from the diet due to certain medical conditions or the use of certain medications, such as proton pump inhibitors (PPIs) or H2 blockers, which reduce stomach acid production

The pathophysiology of TN is multifactorial and involves genetic predisposition, anatomical changes, and neurophysiological factors, leading to hyperexcitable neuronal states, central sensitization and widespread neural plasticity changes