Many of them are illegal under current drug laws, but lots of people believe in the beneficial uses of psychedelic drugs.
And they'll get a chance to convene and compare notes at the Exploring Psychedelics Conference next week (April 7-8) at Southern Oregon University, the third edition of this event.
Matt Vogel and Martin Ball organized the first event and have watched it grow. They stop by the studio to explain the attraction and exploration of psychedelics, in culture, religion, and science.