+The **Placebo Effect** is a beneficial physiological or psychological change in an individual resulting from the belief in a treatment, rather than its specific active properties. This phenomenon highlights the profound power of [Expectation](/wiki/expectation) and [Belief](/wiki/belief) in influencing health outcomes, often seen with inert substances or sham procedures.
+## See also
+- [Nocebo Effect](/wiki/nocebo_effect)
+- [Mind Body](/wiki/mind_body)
+- [Suggestibility](/wiki/suggestibility)