How can folate mask a vitamin B12 deficiency?

How does a vitamin B12 deficiency affect important functions in the body? If someone eats a plant based diet that is abundant in folate, can this affect the size of their red blood cells and how does this relate to vitamin B12 testing?

The information in this video is a summary and is by no means complete, which is true with research in general. It characterizes the fascinating nature of inquiry - there is much that is currently known and much that has yet to be known. I encourage you to be a lifelong learner :)

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