It is difficult to predict.
Fast onset PNs typically are blamed on viral infections.
They can come on from poorly cooked chicken and other foods, because of a bacteria called Campylobacter.
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC88896/
You really need conduction tests to see what is going on with you.
Don't take the B12 for a few days before your tests. And get the Vit D test too. Might as well get those out of the way.
Good luck at your doctor's appointment.
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All truths are easy to understand once they are discovered; the point is to discover them.-- Galileo Galilei
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Weezie looking at petunias 8.25.2017
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