Those who have used psilocybin or LSD may be familiar with the experience: The day following your trip, it’s back to reality, yet there are still glimmers of your previous day’s journey, a fleeting ...

Researchers are investigating whether the drug could be used in mainstream medicine—with and without its hallucinatory effects.

In November 1956, three people gathered in a converted Connecticut barn to take LSD, a powerful psychedelic drug that was legal at the time. The children had just been put to bed upstairs. In the ...