In this case, the B12 shots have started to heal the damaged neurons myelin sheath, but the neural network in which the healed neuron is in, is in a super sensitive state (with extra receptors), so the patient may feel pain or other unpleasant sensations
Inverse variance weighting (as main analysis), weighted median estimate, robust adjusted profile score, MR-Egger, and MR-PRESSO (sensitivity analyses) were performed to calculate causal estimates
These cells produce intrinsic factor, a glycoprotein that binds to vitamin B12 in the stomach and is essential for normal absorption of vitamin B12 in the small intestine into the blood
Stearoyl-CoA desaturase-1 impairs the reparative properties of macrophages and microglia in the brain
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