Could intense stress and anxiety cause prehipheral neuropathy in the feet and vagus nerve damage? if so, what can i do to repair my vagus nerve along with the nerves in my feet?

No, your emotional struggles do not cause peripheral neuropathy and do NOT damage the vagus nerve or other cranial nerves. However, stress and anxiety do affect autonomic function secondary to shifting levels of neurotransmitters. See a neurologist to uncover the cause of your foot problems. Handle the emotions with Cognitive-Behavioral Therapy, plus biofeedback and meditation.