Oh, and one more thing. Heb1212, I'm intrigued by the weight loss comment you made. I too have lost a lot of weight. And my doc just did a paraneoplastic panel which has been sent off to a specialty lab. He also ordered CT scans looking for malignancies, which were normal thankfully. He is also looking for rare autoimmune, which has been his theory all along, but steroid infusions did not help. I have had the postural light headedness for as long as I can remember, and he thinks that could have been a red flag, though others say could also be simply that im tall with low blood pressure...I haven't seen others mention weight loss though, and I'm not sure if it is the stress or the meds (that all warn of weight gain) or maybe some combo.