Ayahuasca: A review of historical, pharmacological, and therapeutic aspects.

Abstract

Ayahuasca is a psychedelic plant brew originating from the Amazon rainforest. It is formed from two basic components, the <i>Banisteriopsis caapi</i> vine and a plant containing the potent psychedelic dimethyltryptamine (DMT), usually <i>Psychotria viridis</i>. Here we review the history of ayahuasca and describe recent work on its pharmacology, phenomenological responses, and clinical applications. There has been a significant increase in interest in ayahuasca since the turn of the millennium. Anecdotal evidence varies significantly, ranging from evangelical accounts to horror stories involving physical and psychological harm. The effects of the brew on personality and mental health outcomes are discussed in this review. Furthermore, phenomenological analyses of the ayahuasca experience are explored. Ayahuasca is a promising psychedelic agent that warrants greater empirical attention regarding its basic neurochemical mechanisms of action and potential therapeutic application.

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