I agree but after reaching out to the drs none have been able to tell me a way of bringing it down. I don't think my serum cobalt has been measured they just say chromium plasma but I am not sure what that means either. Hope that when I see my Dr next week she will be able to enlighten me. I am told the only way to get rid of the Chromium is to get the problem removed from my body. I have one hip resurfacing and the other was replaced plus I have had 2 shoulder replacements, all due to arthritis. Does that mean I need to get all 4 joints removed? I am really starting to be worried about what this is doing to my body.