In this episode of Tricycle Talks, Allan Badiner and Don Lattin discuss the complex relationship between spiritual practice and psychedelic experiences. They also examine a new wave of clinical research that uses psychedelic drugs to treat PTSD, addiction, depression, and other mental illnesses. Badiner is the editor of Zig Zag Zen: Buddhism and Psychedelics, an inquiry into the moral, ethical, and spiritual implications of blending Buddhist thought with the use of hallucinogens. Lattin is a reporter and author of the bestselling book The Harvard Psychedelic Club.