Papers by Jules Evans
Frontiers in Psychology, 2023
One of the dominant cultural frames for psychedelics in western culture over the last 130 years h... more One of the dominant cultural frames for psychedelics in western culture over the last 130 years has been evolutionary spirituality. This tradition suggests human evolution is not finished and can be guided towards the creation of higher beings through such techniques as psychedelics and eugenics or genetic modification. But is everyone evolving into a new species, or just an elite? This essay defines the tradition of evolutionary spirituality and points to five of the ethical limitations of the tradition-its tendency to spiritual narcissism, contempt for the less-evolved masses, Social Darwinism and Malthusianism, spiritual eugenics, and illiberal utopian politics-before suggesting responses to these limitations.

Journal of Psychedelic Studies, 2023
This article reports on integration challenges that were experienced by nine individuals who atte... more 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 5 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, 'postecstatic 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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Peer-review Journal Articles by Jules Evans

Current Topics in Behavioural Neurosciences, 2025
This chapter explores the risks of guruism and cultic social dynamics in
organisations that work ... more This chapter explores the risks of guruism and cultic social dynamics in
organisations that work with psychedelic drugs, which include therapist offices, clinics, research departments, retreat centres, training programmes, NGOs, underground ceremonies and new religious movements. It has been hypothesised, and argued by experienced practitioners, that psychedelics can increase suggestibility, amplify transference and facilitate an intense form of projective mechanisms in the recipients. They may thereby lead to ego-inflation and feelings of grandiosity and omnipotence in those giving the drugs and intensify cultic social dynamics in psychedelic communities – all of which can create conditions that make cases of harm and misconduct more likely to occur and go unreported. This chapter briefly introduces the terms ‘guruism’ and ‘cultic social dynamics’ and how these dynamics can lead to harm and abuse and then discusses how psychedelic drugs might amplify these processes, before outlining possible safeguards.

Evans, J., Robinson, O.C., Argyri, E.K., Suseelan, S., Murphy-Beiner, A., McAlpine, R., Luke, D.,... more Evans, J., Robinson, O.C., Argyri, E.K., Suseelan, S., Murphy-Beiner, A., McAlpine, R., Luke, D., Michelle, K., & Prideaux, E. (2023) Extended difficulties following the use of psychedelic drugs: A mixed methods study. PLoS ONE 18(10): e0293349. https://doi.org/10.1371/journal.pone.0293349
Long-term adverse experiences following psychedelic use can persist for weeks, months, or even years, and are relatively unexplored in psychedelic research. Our convergent mixedmethod study gained quantitative and qualitative data from 608 participants who reported extended difficulties following psychedelic experiences. Data was gathered on the context of use, the nature and duration of the challenges they experienced (including a written description of these), plus a range of possible risk factors and perceived causes. The most common forms of extended difficulty were feelings of anxiety and fear, existential struggle, social disconnection, depersonalization and derealization. For approximately one-third of the participants, problems persisted for over a year, and for a sixth, they endured for more than three years. It was found that a shorter duration of difficulties was predicted by knowledge of dose, drug type and lower levels of difficulty reported during the psychoactive experience, while a narrower range of difficulties was predicted by taking the drug in a guided setting. Implications for psychedelic harm reduction are discussed.
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Papers by Jules Evans
Peer-review Journal Articles by Jules Evans
organisations that work with psychedelic drugs, which include therapist offices, clinics, research departments, retreat centres, training programmes, NGOs, underground ceremonies and new religious movements. It has been hypothesised, and argued by experienced practitioners, that psychedelics can increase suggestibility, amplify transference and facilitate an intense form of projective mechanisms in the recipients. They may thereby lead to ego-inflation and feelings of grandiosity and omnipotence in those giving the drugs and intensify cultic social dynamics in psychedelic communities – all of which can create conditions that make cases of harm and misconduct more likely to occur and go unreported. This chapter briefly introduces the terms ‘guruism’ and ‘cultic social dynamics’ and how these dynamics can lead to harm and abuse and then discusses how psychedelic drugs might amplify these processes, before outlining possible safeguards.
Long-term adverse experiences following psychedelic use can persist for weeks, months, or even years, and are relatively unexplored in psychedelic research. Our convergent mixedmethod study gained quantitative and qualitative data from 608 participants who reported extended difficulties following psychedelic experiences. Data was gathered on the context of use, the nature and duration of the challenges they experienced (including a written description of these), plus a range of possible risk factors and perceived causes. The most common forms of extended difficulty were feelings of anxiety and fear, existential struggle, social disconnection, depersonalization and derealization. For approximately one-third of the participants, problems persisted for over a year, and for a sixth, they endured for more than three years. It was found that a shorter duration of difficulties was predicted by knowledge of dose, drug type and lower levels of difficulty reported during the psychoactive experience, while a narrower range of difficulties was predicted by taking the drug in a guided setting. Implications for psychedelic harm reduction are discussed.