--have certainly had waxing/waning or cycling symptoms, although this is more typical of chronic autoimmune and metabolically-caused neuropathies than those from other causes.

I see you've been on the Peripheral Neuropathy section of this board before--come back on over there; people will have more specific information (I think there was even a thread on tumeric at one point):

http://neurotalk.psychcentral.com/fo...sprune=-1&f=20