? Top Log in or register to post comments June 0, 0000 - 0:00pm #000 Elk Offline Last seen: 0 year 0 months ago Joined: Dec 00 0000 - 0:00am Re: Perception Quote: Quote: And a broader question: does it matter if they work by placebo? Not at all, I don't believe it does. As I say above, if a placebo behaves indistinguishably from whatever is believed to be a "real" change, then there's no longer an issue about whether it may be a placebo or not; it becomes purely philosophical at that point. A