That's the reason why drugs are tested in double-blind, randomized controlled trials.
The placebo effect is a major part of the effect of SSRI, which only improve 1 in 6-8 patients if you subtract the placebo effect [1].
The "number needed to treat" (NNT) mentioned below is the average number of patients that need to recieve the treatment for one of them to be in a better condition than if all of them had recieved a placebo.
The placebo effect is a major part of the effect of SSRI, which only improve 1 in 6-8 patients if you subtract the placebo effect [1].
The "number needed to treat" (NNT) mentioned below is the average number of patients that need to recieve the treatment for one of them to be in a better condition than if all of them had recieved a placebo.
1. https://www.cambridge.org/core/journals/psychological-medici...