Placebos Have Side Effects Too

From Neuroskeptic:
Everyone's heard of the "placebo effect", by which pills containing no drugs at all, just chalk and sugar, often seem to make people feel better. But if the mere expectation of improvement can produce improvement, then the expectation of unpleasant consequences, such as side effects, should make people feel worse. This is sometimes called the "nocebo" effect.
Read More: http://neuroskeptic.blogspot.com/2009/10/placebos-have-side-effects-too.html