The study on Enbrel is a small and is not a registered, controlled clinical trial. In fact one of the lead investigators owns stock in the company that produces the drug and owns quite a few patents in this area of the field. Without randomized, double-blind clinical trials in large, diverse populations carried out by independent scientists I wouldn't hold my breath.
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Massive, epic adventure, multi-coloured, multi-layered.
Sort of two/three dimensional Wizard of Oz for the future.