The placebo effect works both ways: Beliefs about pain levels appear to override effects of potent pain-relieving drug
Saturday, February 26, 2011 - 22:30
in Psychology & Sociology
Poor expectations of treatment can override all the effect of a potent pain-relieving drug, a brain imaging study has shown. In contrast, positive expectations of treatment doubled the natural physiological or biochemical effect of the opioid drug among the healthy volunteers in the study.