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A member asked:
Does vitamin b12 deficiency cause brain and nerve problems?
4 doctors weighed in across 2 answers
Yes: In the early 19th century, scientists noted weakness and numbness with B12 deficiency. Recently, B12 has been shown to upregulate neurotrophic factors (chemicals [cytokines] that help nerve cells grow) & downregulate neurotoxic factors (chemicals that break down nerve cells). In other words, B12 helps nerve cells grow and prevents their destruction by naturally occurring brain chemicals.
Answered 8/27/2019
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