this is a great article. Beautifully written, almost literary. And informative. I was grabbed at the beginning, when he talked about Goya. I knew there would be a twist but wasn't sure what it would be. http://www.psychiatrictimes.com/neuropsychiatry/altered-mental-state-clue-blue-bottle If you can't get it, I can cut and paste the whole thing, but it's 2pp long.