Look up placebo effect in Wiktionary, the free dictionary.
A placebo effect is a phenomenon of medication or medical treatment, even inert or ineffective ones, to exhibit results simply because the recipient believes that it will work.
Placebo effect may also refer to:
- "The Placebo Effect", an episode of the 2002 television series The Twilight Zone
- Placebo Effect (band), a German dark electro band
- Placebo Effect (film), a 1998 American thriller film
- Placebo Effect (novel), a 1998 novel by Gary Russell
- "Placebo Effect", a song by Siouxsie and the Banshees from the 1979 album Join Hands
