The peripheral nervous system can regenerate. And it does.
The only time it cannot is when the cells themselves totally die.
When that happens there is no more pain, but numbness may remain. There may be residual central pain, like phantom limb pain that amputees feel.
I had all the nerves on the top of my foot damaged in my left foot, after a having a tumor removed. My foot was numb for about 20 yrs...but those nerves grew back finally.
All the text books doctors use contain that information.
example:
http://emedicine.medscape.com/article/1270360-overview
Quote:
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Peripheral nerve injury may result in demyelination or axonal degeneration. Clinically, both demyelination and axonal degeneration result in disruption of the sensory and/or motor function of the injured nerve. Recovery of function occurs with remyelination and with axonal regeneration and reinnervation of the sensory receptors, muscle end plates, or both.4
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This is what happens when B12 gets very low for a long time:
http://en.wikipedia.org/wiki/Subacut...of_spinal_cord
People with this lose vision and other abilities and often end up in wheel chairs (if they don't die first)
Even these people improve over time, and rose, who used to post here on B12 was a prime example.
Here is her website:
http://sites.google.com/site/roseannster/home
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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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