The provided text excerpts come from the book "How To Change Your Mind" by Michael Pollan. The book explores the history and scientific research of psychedelic drugs, focusing on their potential for therapeutic and spiritual applications. The author chronicles his personal experiences with LSD, psilocybin mushrooms, and 5-MeO-DMT, examining the effects of these substances on consciousness, perception, and the nature of self. Pollan also discusses the broader cultural and historical context of psychedelics, including their use in therapy, their role in counterculture movements, and the ongoing debate over their legal status and scientific legitimacy.

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