I have over the years shown and tested for a very very low thyroid. I have been put on medication once and then later, maybe 6 to 8 weeks later, tested fine for thyroid so the meds were stopped. My antibodies are negative so what is the problem. It has always been almost impossible for me to lose weight but under extreme steress in the last year I have dropped 85 pounds and am not ill. My metabolism whether I exercise or not seems dead but no one as usual can figure it out, Help. i have a 20 year lumbar and cervical surgery history. Once for cervical with hardware and 8 times for surgery in the lumbar area with hardware. I also have a history of breast cancer, 7 year survivor...yeah and I have