hi doc, experiencing numbness, pins and needles,aching, heavy, weak feeling in arms legs face scalp. Also sharp stabbing, burning feeling. Recurring red eye, phanthom smoke smell! just a few of my symptoms that ive been experiencing this past 4 to 5 years. ive had nerve conducton studies done twice to rule out carpal tunnel also a neck MRI for tripped nerve. still no answers as to what it might be! ??