Placebo means 'I shall please' is a treatment with no active therapeutic effect.
A placebo may be given to a person in a clinic context in order to deceive the recipient into thinking that it is an active treatment.
The placebo effect can be produced by inert tablets like sugar pills.
For more information: sources
https://en.wikipedia.org/wiki/Placebo
https://www.biolegend.com/newsdetail/2021/
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