Magic mushrooms were originally prohibited in many countries of the world after it was discovered and studied by researchers. There was so much that was unknown about it and it was considered risky as the full extent of its effects were not well understood. Psilocybin, the active ingredient, was a strange thing and it seemed as if nothing good could ever come out of it. This point was somewhat proven when its wild hallucinogenic effects were observed.

https://fantasyshrooms.ca/the-future-of-edible-magic-mushrooms/