<s>[INST] Hi My son is having  tingling nerve endings in his upper body, on his back and front; also in his feet slightly.  He is 28 years old and very fit generally. He is afraid that it could be a sign of neuropathological disorder.  He is a physiotherapst, Any advice would ne welcome. regards, ann [/INST] I would start with a MRI of the cervical spine, and an examination with a neurologist to see if further bloodwork, EMG testing could be useful. </s>