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The Psychedelic Writers Guild and Psychedelic State(s) of America present…

The Psychedelic BookShelf, Vol. V

DMT: The Spirit Molecule

By Dr. Rick Strassman

Review by Jim Tate, Founder of The Chronicles of Kykeon

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Rick Strassman, a psychiatrist at the University of New Mexico, lit the fuse. In 1990 he became the first person in 20 years to run a human psychedelic research project in the United States. Over the next 5 years roughly four hundred doses of DMT were given to sixty volunteers under federal approval. His book, DMT: The Spirit Molecule, is a deep dive into that period. For over 25 years the book has floated around the psychedelic world like a bootleg tape, and somewhere along the way the title escaped the covers entirely. "Spirit molecule" is now a phrase people use who have never read a page of Rick Strassman. That is a strange fate for a book that is, underneath the mythology, a careful and sober clinical report.

The book runs a little over three hundred fifty pages, and is three books braided together: a bureaucratic memoir, a collection of trip reports, and a long speculative essay about where the experience comes from. The three parts are not equally strong, and it is worth knowing which is which before you start.

The bureaucratic memoir is the part nobody talks about and the part that has aged best. Strassman spends the opening chapters describing what it took to get permission: the FDA, the DEA, the university review board, the state, the hospital pharmacy, the scientific advisory committee, the funding, the years. It is unglamorous and it is the most quietly valuable material in the book. Everyone running a psilocybin trial today is walking on road that Strassman graded. He does not present it that way. He presents it as a slog, which it was.

The sessions themselves are staged with a mundanity that makes the reports stranger. A volunteer on a hospital bed at the General Clinical Research Center, blood pressure cuff, an IV line, a nurse, a clipboard, and a rating scale. Then thirty milligrams of DMT and two minutes later the person is somewhere that no clipboard has a column for. Strassman organizes what came back into rough categories: personal and psychological material, contact with what volunteers described as invisible worlds and the beings in them, and near-death and mystical states. The middle category is why the book is famous.

The entity reports are handled better than I expected. Volunteers described insectoid things, robotic things, presences that were waiting for them and in some accounts seemed to have been expecting them. Strassman's decision, and it is the right one, is to write down what he was told rather than translate it into something more comfortable. He records that his volunteers experienced these encounters as more real than ordinary reality and they could not be talked out of that belief. He does not endorse them but sits in the gap, visibly uncomfortable, and reports from there. Very few researchers are willing to publish their own discomfort.

The speculation is where the book is weakest and where it is fair to be direct. Strassman proposes that the pineal gland produces DMT and releases it at birth, at death, in dreams, and in spontaneous mystical states. Descartes called the pineal the seat of the soul, and the resonance is too good to resist. Strassman himself framed it as a hypothesis. The culture did not. Twenty-five years on the supporting evidence is thin. DMT has been detected in rat pineal tissue, in a 2013 study Strassman co-authored, but in trace amounts nowhere near what would be required to produce the effects he describes. Strassman has moderated the claim in later work. The phrase, meanwhile, is on t-shirts. This is a good case study in how a scientist's careful conditional becomes somebody else's certainty.

Watch Jim Tate’s Interview with Dr. Rick Strassman over at Psychedelic State(s) of America on Youtube

🌿 Dive into the world of psychedelics with the lates Psychedelic Bookshelf author interview with Dr. Rick Strassman, Author of "DMT: The Spirit Molecule." 🌿

The ending of the research is the most honest thing in the book. Strassman shut the studies down in 1995. His reasons were several and none of them were flattering to the enterprise. There were adverse reactions, including terrifying ones. Following up a year or two out found little durable benefit, which mattered to him a great deal. His Zen community was critical of what he was doing, and he took the criticism seriously. The models he had, Buddhist psychology among them, did not fit the data. A researcher publishing his own failure to explain his own results, and then walking away from the funding, is rarer than it should be.

If you have read Andrew Gallimore's book Death by Astonishment, you have seen the philosophical problem taken up with more recent neuroscience and twenty more years of thinking behind it. Strassman got there first, with volunteers on actual gurneys and a nurse taking blood pressures. The two books read well together but I recommend reading Strassman first. He establishes the phenomenon; Gallimore argues about what it means.

The book is also dated in that it was written before the so-called renaissance, when Strassman had reason to think the door he opened might close again behind him. The book spawned a documentary in 2010 that took the title and flattened the material into something less careful than the book. If the film is your only exposure, you have not encountered Strassman. You have encountered his brand.

None of that changes the verdict. DMT: The Spirit Molecule is where the modern psychedelic era begins. It is the book that proved a human psychedelic study could be run again in this country, and it is the book that puts the entity problem on the table where nobody has managed to get it off. The pineal theory may not survive. The reports will. Read it for the volunteers' voices and for the sight of a careful clinician being handed data he cannot account for and writing it down anyway. That is the part that holds up, and that is why DMT: The Spirit Molecule has earned a spot on my psychedelic bookshelf.

Author’s Note: AI (Claude Cowork) was used to validate facts, dates, and related claims in this report.

Founder’s Note: This edition of The Psychedelic Bookshelf was produced in partnership with our friends at The Chronicles of Kykeon, be sure to subscribe over on Substack!

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