1 definition by UW66

"Placebo drift," is an increase in placebo response rate over the years. This effect has been documented with the use of anti-depressants, where people respond more to the drugs than they did in the past, probably because they expect to be helped.
Placebo drift has been documented with the use of anti-depressants, where people respond more to the drugs than they did in the past, probably because they expect to be helped.
by UW66 March 14, 2010

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