Leary will be in Boulder this week to discuss his new book and the evolving world of psychedelics, from DMT to LSD.

In the Acid Queen: The Psychedelic Life and Counterculture Rebellion of Rosemary Woodruff Leary (Viking, $32), Cahalan ...

You’ve heard the benefits of psychedelics, but what’s less known are the risks associated with using them. A new drug ...