if there are gains that are merely Head Games and placebo effect, aren't there things we should control in forming the groups and keep them as similar as possible? The participants have to be different in some ways after treatment.

Point: gdnf was not followed up to learn the long term effects. that question was asked in the NPR audio.


New trial design ....it's so overdue.Thanks for the link Linda. What can we think about in finding ways to identify them short of asking the surgeons? What signs are present in those who only have the real thing?