Research suggests that the clinical and therapeutic effects of psychedelics are related to their ability to induce a mystical-type experience. One particularly interesting feature of the psychedelic mystical experience is the entity encounter - people who take psychedelics sometimes describe meetings with seemingly autonomous entities which appear to possess intelligence and agency. While there has been little empirical research into psychedelic entity phenomena, qualitative studies and anecdotal reports suggest that entity encounters can have profound and lasting positive after-effects. Based on the existing data, this article argues that there is value in exploring the therapeutic potential of psychedelic entity encounters. Specifically, it proposes three possible ways that entity encounters might mediate the therapeutic effect of the psychedelic mystical experience.

This article reports on integration challenges that were experienced by nine individuals who attended a three-day legal psilocybin truffle retreat in the Netherlands. The study employed a qualitative phenomenological approach, using semi-structured interviews to gain an understanding of participants' (n = 30) psilocybin experiences and their after-effects. While the study did not actively seek to measure integration issues or unexpected side effects, nine out of thirty participants (30%) spontaneously reported a post-experience integration challenge. These challenges included: mood fluctuations, ‘post-ecstatic blues’, disconnection from community, re-experiencing symptoms, spiritual bypass and perceived lack of support. Integration challenges were transient; they occurred immediately after the psilocybin experience (once the main psychedelic effects had worn off) and in the days and weeks following the retreat, and resolved with time. Integration challenges were also correlated with positive after-effects including long-term remission of significant health conditions. The experiences related in this article align with existing literature that describes the ‘spiritual emergency’ phenomenon; that is, the potential challenges that can arise after ecstatic experiences and how these challenges may be integral to the transformative potential of such experiences. We discuss the implications for psychedelic integration and harm reduction practices and for future psychedelic research.

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This article reports on the experiences of four healthy individuals who attended a legal psilocybin truffle retreat in the Netherlands. The study employed a qualitative phenomenological approach, using semi-structured interviews to gain an understanding of participants' psilocybin experiences and their after-effects. The experiential themes that emerged from these case studies closely match themes that have been identified in previous studies of psilocybin, including variability of the experience, the presence of mystical-type features, significant changes to subjective sense of self, and a generalized sense of connectedness. Participants framed their narrative accounts around moments of key insight, and these insights were related to a sense of connection: to self, others, and to a broader relational ontology. Embodiment, currently an understudied topic in psychedelic research, also emerged as a theme. The case studies presented here provide preliminary evidence to suggest that for healthy individuals in a well-controlled and supportive retreat setting, a high dose of psilocybin can lead to enduring positive after-effects that last up to twelve months.

Mushrooms containing psilocybin have been used in Indigenous healing ceremonies in Mesoamerica since at least the sixteenth century. However, the sacramental use of mushrooms was only discovered by Westerners in the early to mid-twentieth century. Most notably, the meeting between amateur mycologist Robert Gordon Wasson and Mazatec curandera María Sabina in 1955 resulted in the widespread popularization of ingesting “magic mushrooms” in the West. To Sabina and the Mazatec people, psilocybin mushrooms were sacred and only to be used for healing. However, Western “hippies” viewed mushrooms as psychedelic drugs which they consumed with little regard for cultural sensitivities, rendering the mushrooms desacralized. This article argues that the desacralization of psilocybin mushrooms constitutes a form of spiritual abuse that has had far-reaching and long-lasting consequences at individual, local and global levels. Further, acknowledging and understanding the desacralization of psilocybin mushrooms as spiritual abuse has important implications for restorative justice and the understanding of psilocybin as a sacred medicine.