The walls of the cranium contain tiny air filled cavities called foramina, for blood vessels & the passage of 12 cranial nerves.
When bone is starved of *essential nutrients to maintain integrity, it is usurped by a bulky spongy matrix which impinges upon the nerve causing a plethora of misery throughout your body.
The widescale scope of pathologies connected to this *one condition is why neuropathies rarely present alone.