The new documentary Have a Good Trip: Adventures in Psychedelics, features the former Police frontman, Sarah Silverman, Carrie Fisher, Anthony Bourdain, Ben Stiller, and many other creative people talking about their good, bad, and ugly experiences with drugs such as LSD, magic mushrooms, peyote, and MDMA.

In a wide-ranging conversation with Nick Gillespie, Donick Cary talks about his own history with psychedelics and the need for serious, open, and well-informed conversations about substances that are routinely described as life-changing.