You are not alone!!!i have had chronic dizziness for 2 years now...had MRI, CT scan, blood gases,numerous blood tests,chest x-ray, saw ENT DR. Neurolgist, blah blah blah..LOL...AND had to quit my job as a dental hygienist......IT is mercury....My dizziness was so bad, I couldn't leave the house for 6 months-1 year...felt sick all over.....I had 5 months of chelation, and am still detoxing all organs, and taking many supplements....And I am improving...Had all amalgams removed...and seeing a NATUROPATH monthly....I have pressure around my sinus(nose), and feel fluid in my ears too....Do you have this??? also twitching all over my body...Thanks Sandra P