because of the mind body link, placebos are often more powerful than most drugs.
i love this analysis of placebo for treating depression:
placebos are 40% effective and drugs 54% effective, which means that 74% of the drug's effect is explained by the placebo effect.

PubMed
Association of Single-blind Placebo Run-in Periods With the Placebo Response in Randomized Clinical Trials of Antidepressants: A Systematic Review and Meta-analysis - PubMed
This study suggests that RCTs using PRI periods yield smaller within-group changes across both placebo and drug groups compared with RCTs without P...








