Not sure about that but it is well known that some placebos work better than others. e.g. placebo injections have a stronger "effect" than placebo pills.[0] S

Not sure about that but it is well known that some placebos work better than others. e.g. placebo injections have a stronger "effect" than placebo pills.[0] So it would seem that the presentation of medical advice would have an effect on that. [0] http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0067485 http://journals.plos.org/plosone/article?id=10.1371/journal....