I just got a hair analysis back tonight and my nickel is over 6x the normal limit. I'm getting my amalgams out starting in late April. It will be numerous visits with about 15 fillings. I was tested with a kinesiology test which showed high levels of mercury, though that didn't come up in the hair analysis. But i don't think mercury makes its way out the scalp, just stays in organs, brain and spine. I blame it for my OCD, anxiety and numerous other problems.