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For example, breast-fed infants of women who follow strict vegetarian diets have very limited reserves of vitamin B12 and can develop a vitamin B12 deficiency within months of birth [7,16]

Mitochondrial dysfunction contributes to energy failure, triggers intrinsic apoptosis, and perpetuates oxidative stress, forming a self-reinforcing neurodegenerative cycle (Wang D

Vitamin B12 is absorbed by attaching itself to a protein called intrinsic factor, which is produced by the cells that line the stomach

Cabot, J.-A