It found no significant difference in the psychological wellbeing of participants who took LSD or psilocybin mushrooms, and those who took a placebo capsule.
And other findings from the Global Drug Survey's latest study.
...and they destroyed every boundary in my life.
"I’m not really in it for the money. If I was, I’d probably sell something like ketamine."
"Let's just say, we never got bored."
In the past three years there have been at least 11 homicides reportedly involving acid. Why?
Meet Mike "Zappy" Zapolin, who acts as a combination of a psychedelic trip sitter and procurer for celebrities.
An oral history of the man who inspired millions to "turn on, tune in, drop out".
A new book tells the story of William Leonard Pickard, who was accused of manufacturing enough acid for 400 million trips.