Why an Antibiotic That is Effective Against a Type of Bacteria May Not Work Better Than "Placebo" in a Randomized Controlled Clinical Trial: Understanding Placebo and Its Implications for Psychiatric Drug Development, Part 2.

"Placebo" is a short-handed way of summarizing good clinical management, or treatment as usual (TAU). While the media and others sometimes equate a placebo with a "sugar pill," by which they mean nothing, the placebo arm in a double-blind randomized…

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