Is psilocybin addictive?

This article was first published on October 20, 2022. It was last reviewed and updated on October 20, 2022. The use of psilocybin, a classic psychedelic that is present in “magic mushrooms” (“shrooms”) is becoming more common—both as an illicit substance and as an off-label intervention to try to treat various mental disorders. Also, psilocybin (along…