Kenneth W Tupper

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INTRODUCTION This paper reports results from a preliminary observational study of ayahuasca-assisted treatment for problematic substance use and stress delivered in a rural First Nations community in British Columbia, Canada. METHODS The "Working with Addiction and Stress" retreats combined four days of group counselling with two expert-led ayahuasca(More)
Ayahuasca is a tea made from two plants native to the Amazon, Banisteriopsis caapi and Psychotria viridis, which, respectively, contain the psychoactive chemicals harmala alkaloids and dimethyltryptamine. The tea has been used by indigenous peoples in countries such as Brazil, Ecuador and Peru for medicinal, spiritual and cultural purposes since(More)
This article offers critical sociological and philosophical reflections on ayahuasca and other psychedelics as objects of research in medicine, health and human sciences. It situates 21st century scientific inquiry on ayahuasca in the broader context of how early modern European social trends and intellectual pursuits translated into new forms of empiricism(More)
BACKGROUND Access to harm reduction interventions among substance users across Canada is highly variable, and largely within the policy jurisdiction of the provinces and territories. This study systematically described variation in policy frameworks guiding harm reduction services among Canadian provinces and territories as part of the first national(More)
The Health Officers Council of British Columbia has proposed post-prohibition regulatory models for currently illegal drugs based on public health principles, and this article continues this work by proposing a model for the regulation and management of psychedelics. This article outlines recent research on psychedelic substances and the key determinants of(More)
Eating disorders (EDs) are serious health conditions that are among the most difficult to treat. Innovative treatments are needed and modalities from across cultures must be considered. Ayahuasca is a psychoactive plant-based tea originally used by Amazonian indigenous groups. A growing body of research points to its promise in the healing of various mental(More)
OBJECTIVE This study aimed to longitudinally investigate whether ever having used a psychedelic drug can have a protective effect on incidence of suicidality among marginalised women. DESIGN Longitudinal community-based cohort study. SETTING Data were drawn from a prospective, community-based cohort of marginalised women in Metro Vancouver, Canada. (More)
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