As Yvain said, the original example of the placebo effect is immediate and does not involve pills. A long-term pill-less example is that sham acupuncture beats conventional treatment for back pain. (real does not beat sham)
As Yvain said, the original example of the placebo effect is immediate and does not involve pills. A long-term pill-less example is that sham acupuncture beats conventional treatment for back pain. (real does not beat sham)