Has anyone ever done research using magnets to help with the pain of diabetic neuropathy of the feet?

My father is severly affected by diabetic neuropathy of the feet, and has tried several medications. Some days he says that his feet are just screaming. I was curious if anyone has every done any research using magnets – or if anyone has ever tried using magnets as a type of therapy. I know that [...] http://bit.ly/q4n24w