More than 50 years after Timothy Leary encouraged an entire generation to "turn on, tune in, drop out," there's been a resurgence of scientific research and popular interest in the use of psychedelic... This description may be from another edition of this product.
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20th Century Classics Consciousness & Thought Criticism & Theory Education & Reference Health, Fitness & Dieting Health, Fitness & Dieting History & Criticism Philosophy Politics & Social Sciences Psychology & Counseling Psychopharmacology Religion Religion & Spirituality Spirituality