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This web article by Alli Feduccia, PhD on the Psychedelic Support website lists clinical trials around the world involving a variety of psychedelic substances, including MDMA, psilocybin, LSD, Cannabis, Katamine, Ibogaine, and Salvinorin. MDMA and psilocybin have the most, with about 50 trials listed between the two medicines. 


The official U.S. Government website has flexible searching options. For example, you can enter MDMA or psilocybin in the “Other terms” section. 


Statistics on psychedelic use from the U.S. Govt, NIH-NIDA, where it states that about 17% of U.S adults have tried a psychedelic (that's roughly 40 million people). 


Advocates for psychedelics

A Wikipedia page listing 193 advocates, with links.


Michael Pollan’s psychedelic resource page

Thank you Michael for all you do. Below is a copy of his useful links. He also has valuable lists of Forums and regional Psychedelic Societies on this webpage.  

Useful Links


The Beckley Foundation – British organization supporting research into psychedelics and advocating internationally for the reform of drug laws.

Chacruna – Writings on psychedelic plant medicine and science, culture and spirituality.


The California Institute for Integral Studies Center for Psychedelic Therapies and Research – Information on CIIS’s psychedelic research and training program for psychedelic guides/therapists.


Compass Pathways – A healthcare company working to develop and gain regulatory approval for psychedelic therapy for treatment-resistant depression in the U.S. and Europe.


Council on Spiritual Practices – A collaboration between guides, scientists and religious scholars seeking to “make direct experience of the sacred more available to more people.”


DanceSafe Drug Checking – This harm reduction organization can test drugs to make sure that they are adulterant free and also sells drug-checking kits.


Drug Policy Alliance – Group working to end the war on drugs and “promote new drug policies grounded in science compassion, health, and human rights.”


Entheogenic Research Integration and Education (ERIE) – A San Francisco-based meetup group that reviews and conducts research on entheogens, develops methods for integrating experiences with entheogens and provides a forum for discussion.


Erowid – A trove of more than 60,000 pages of information about psychoactive drugs, plants, chemicals, and technologies.


Esalen Institute – Big Sur retreat center where Stanislav and Christina Grof developed and taught holotropic breathwork techniques.


Fungi Perfecti – Paul Stamets’s company offering gourmet and medicinal mushroom products and supplies.


The Global Ibogaine Therapy Alliance (GITA)– Standard operating procedures for ibogaine providers and a useful reference for those seeking ibogaine treatment.


Heffter Research Institute -A nonprofit dedicated to supporting research into psychedelic compounds.


International Center for Ethnobotanical Education, Research and Service (ICEERS) – A site offering support and integration services, information on iboga and ayahuasca, and scientific and legal information.


Johns Hopkins Center for Psychedelic & Consciousness Research A major center studying the use of psychedelics in controlled settings for healing issues such as addiction, depression and anxiety.


Kahpi – Video courses on the ethnobotany, neuroscience, and culture related to ayahuasca, created by credentialed experts in their fields.


KRIYA Institute – Devoted to the use of ketamine in psychiatry and psychotherapy, the institute offers therapeutic ketamine services and trainings as well as the KRIYA Conference, an international gathering for ketamine clinicians and researchers


Multidisciplinary Association for Psychedelic Studies (MAPS) –   A research and educational organization that develops medical, legal, and cultural contexts for people to benefit from the careful uses of psychedelics and marijuana. They now have an FDA-approved Phase 3 trial for PTSD using MDMA with psychotherapy.


MAPS Psychedelic Integration List—A long list of therapists that can help people process past psychedelic experiences.


New York University Psilocybin Cancer Anxiety Study – Information on the results of NYU’s study of psilocybin to treat cancer-related anxiety and how to participate in future research.


The Open Hyperspace Traveler – Educational resources about harm reduction, testing for adulterants, and how to deal with difficult trips.


Psychedelic Seminars – A live and online event series featuring leaders in the psychedelic community. – Provides resources and information about therapists that have worked with psychedelics in clinical trials or are experienced in helping people integrate or process their own psychedelic experiences.


Psychedelic Times – News, research, and happenings around the study of psychedelics as tools of healing, recovery, and therapy.


Psychedelics Today  – A weekly podcast on all things psychedelic.


PsychonautWiki  – A site documenting drug and non-drug methods for expanding consciousness.


Psymposia – Discussions of current issues in psychedelia.


Sacred Journey Medicine Circle – A support group in Berkeley for women benefiting from psychedelic medicines


Students for Sensible Drug Policy – An international network of students dedicated to ending the war on drugs.


The Third Wave – A site providing clear, well-referenced information about psychedelics to the general public – Psychedelic education resources


University of Massachusetts Medical School Center for Mindfulness – Research and training on mindfulness meditation’s role in health care, stress reduction and medicine.


The Usona Institute – A medical research organization supporting psychedelic research and the FDA registration of psilocybin therapy.


Women’s Visionary Council – Educational organization that organizes gatherings examining “heightened states of awareness” including the Women’s Visionary Congress.


Zendo Project – A psychedelic harm reduction project that aims to “transform difficult psychedelic experiences into valuable learning opportunities ” at festivals and elsewhere.

Some Suggested Books


There are many excellent books on psychedelics/entheogens, as well as on childhood trauma, PTSD, addiction, depression and anxiety. Below is a very short list of some of my favorites. Most of these books have extensive bibliographies. 


Alice Miller, The Drama of the Gifted Child: Search for the True Self


Françoise Bourzat, Consciousness Medicine


Gabor Maté, In the Realm of the Hungry Ghosts


Jack Kornfield, The Wise Heart

James Baraz, Awakening Joy


James Fadiman, The Psychedelic Explorer’s Guide


Michael Pollan, How to Change Your Mind

Miguel Ruiz, The Four Agreements

References for the essay "A Public Service Announcement" in Healing with Psychedelics


For information and other resources, see the Adverse Childhood Experiences (ACEs) page on the CDC website including links to the original journal article, select subsequent studies, and other resources.

Felitti, Vincent J et al. (1998). Relationship of Childhood Abuse and Household Dysfunction to Many of the Leading Causes of Death in Adults. American Journal of Preventive Medicine, 14(4), 245 - 258.

Miller, Alice. The Body Never Lies: The Lingering Effects of Hurtful Parenting. W. W. Norton & Company; Reprint edition (2006).

Firestone, Lisa (2013, June 30). How Your Attachment Style Impacts Your Relationship [Web article]. Retrieved August 10, 2019, from

(2018, February 20). Insecure Attachment – the 3 Different Types [Web article]. Retrieved August 10, 2019, from 

The ACE questionnaire can also be found at


The book Healing with Psychedelics and this website relate the author’s investigation with the chemical compound MDMA, and psilocybin mushrooms. It is currently a criminal offense in the United States and in many other countries, to manufacture, possess, or supply these materials except in connection with government-sanctioned research. You should therefore understand that this book and website are intended to convey the author’s experiences and to help provide an understanding of the therapeutic and spiritual potential of these substances. They are not intended to encourage you to break the law. The author expressly disclaims any liability, loss, or risk, personal or otherwise, that is incurred as a consequence, directly or indirectly, of the contents of the book or this website.
As you explore the subject matter in this book, consider taking steps to protect your privacy. You may want to start by downloading the Tor Browser, familiarizing yourself with the work of the Electronic Freedom Foundation, and using Signal to encrypt telephone and text conversations.

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