--in fact, glucose dysregulation has been known to produce acute neruopathies, chronic neuropathies, mononeuropathies (the disruption of one nerve, often associated with a compression--the so-called "double-crush hypothesis"), autonomic neuropathies with, and without, sensory or motor symptoms . . .wide swings in blood glucose levels, and/or high insulin levels, are not good for a LOT of body systems

I do recommend that Washington University/Saint Louis Neuromuscular website summary for a look at the diversity of possible conditions:

http://neuromuscular.wustl.edu/nother/diabetes.htm