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Did the ancient Greeks use drugs to find God?

Scholar Brian Muraresku makes the controversial argument that the famous Eleusinian Mysteries were fueled by a psychedelic beer

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Photo illustration by Mark Riechers/Firefly. Original image via Brian Muraresku.

Did the ancient Greeks use mind-altering drugs to experience the divine? That’s the provocative theory behind Brian Muraresku’s book, “The Immortality Key: The Secret History of the Religion with No Name.”

Drawing on the work of earlier scholars, he suggests there was some sort of psychedelic beer used in sacred ceremonies at the Temple of Eleusis that unleashed heavenly visions. What’s more, he believes this experience not only shaped generations of Greeks, it also laid the foundation for the Eucharist in early Christianity.

Muraresku, a lawyer and scholar of ancient languages, spent 12 years researching his book. While acknowledging the speculative nature of this theory, he said there’s no doubt something profound and life-changing happened during this ceremony.

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What’s astonishing is that the Mysteries of Eleusis went on for 2,000 years, lasting well into the Roman Empire. And a who’s who of Greek and Roman philosophers and writers — including Plato, Aristoteles, Sophocles, Cicero and Marcus Aurelius — had this transformative experience, but they were all sworn to secrecy.

Muraresku talked with Steve Paulson for “Luminous,” the podcast about psychedelics from “To The Best Of Our Knowledge.”

This interview has been edited for length and clarity.

Steve Paulson: You are proposing a radical rewriting of the history of religion. You speculate that psychedelic experiences had a profound influence on religion, going back to ancient Greece and then continuing into early Christianity. Can you briefly summarize your theory?

Brian Muraresku: I really stand on the shoulders of older scholars who have been looking at this idea since at least the 1970s, but I picked up the scent in 1978. There was this inflammatory book called the “Road to Eleusis,” which was co-authored by Gordon Wasson, Albert Hofmann — who famously synthesized LSD back in the 1930s — and Carl Ruck, who’s now the only surviving member of that trio. Together, they hypothesize that something like beer laced with ergot, which is the natural fungus from which we get LSD, was somehow involved in these ancient mysteries in Greece. And that psychedelics or visionary experiences were at the root of Western civilization and these famous Mysteries of Eleusis.

For the longest time, there was no hard science to really prove that. But in recent years, with the advent of archaeobotany, and especially archaeochemistry, we can now study these old chalices and see what our ancestors were actually consuming. And turns out there are some psychotropic clues in the archeological record.

SP: A lot of this history goes back thousands of years to ancient Greece and specifically to the Temple of Eleusis. Do we know what happened there?

BM: So we have an idea, but everything that took place there was secret. There are no written records. And to reveal what you witnessed in that temple, in the Sanctuary of Demeter at Eleusis, was to expose yourself to the penalty of death. This was kept secret and enforced by the Greek state, and it survives for 2,000 years, from about 1500 B.C. to the fourth century A.D.

SP: Was this something that people did just once in their lives?

BM: As best we can tell. Eleusis was a great pilgrimage site 13 miles northwest of Athens. It was some kind of visionary encounter. The big question is, what was that vision? How was it produced? Why did it change people?

Because everybody who went to that temple and saw that vision walked away claiming they’d become immortal, that only they had been guaranteed the afterlife.

SP: Do we know how long they were there?

BM: The whole series of events takes place over about nine days and nights. They’re at the actual sanctuary itself for a couple of nights, and then in the culminating experience of their lives — that’s how Ruck refers to it — this all-night feast, the Pannychis, they have this vision. 

A magic potion — a beverage called the kykeon — is consumed. Whether or not that was in fact the ergotized potion that Wasson, Hofmann and Ruck hypothesized as the magic ingredient of this vision, we don’t know.

SP: You mentioned Demeter, the Greek goddess of the Earth. How does she figure into this story?

BM: The Mysteries were reenacting the seasonal cycles and tapping into this sense of death and rebirth. 

The two goddesses to whom the Mysteries of Eleusis were dedicated were Demeter and Persephone. Demeter, the grain goddess, and her daughter, Persephone, who’s abducted by the king of the dead, Hades, into the underworld. Thereby, she becomes the queen of the dead, but she magically resurrects and comes back to the earth after a long, barren winter. 

She is a kind of metaphor for the cycle of death and rebirth that all mortals encounter. But to the Greeks, it seems that she wasn’t a metaphor. Clearly, it was something real, something lived, something that got inside their bones and convinced them that they too would resurrect from the dead.

SP: There are so many fascinating pieces to this story. One is that the Temple of Eleusis was run by women.

BM: Yeah, as far as we can tell, it was the priestesses who were mixing that kykeon potion and guiding these initiates into the underworld. Maybe today, we would say it’s the subconscious, or some kind of introspective state of mind or an altered state of awareness.

SP: We’re kind of entering the realm of speculation, but why do you think this experience was so powerful for so many people over the centuries?

BM:  Well, like any classic mystery, psychedelics or otherwise, I think what’s at the basis of a mystery tradition is the concept of death and rebirth. You see something like that playing out in the experience that was Eleusis. 

You see something similar in the Dionysian Mysteries. The whole point was to become one with Dionysus. It means to bind your soul to the master of life, to your fellow worshipers and to the life of the planet itself. There was something very ego-dissolving, very boundary-dissolving about these ancient mysteries. And you could argue the same about early Christianity. It was some kind of extraordinary encounter with our mortality — and I think the lived experience of dying and being reborn into a new identity.

SP: So there are really two big questions: What happened at Eleusis? And were psychedelics actually part of this experience? You’ve mentioned kykeon, some kind of drink that people presumably took there, but do we know what was in it?

BM: We have an idea of the ingredients. The Hymn to Demeter is one of these clues that survives across the ages and what it records even a few centuries before Plato. It talks about the kykeon as some kind of mixed beverage of barley, water and mint. So you don’t see lots of psychedelics there, but Albert Hofmann himself was curious about the mint. He was working with others trying to figure this out in the 1960s, and they eventually landed on ergot. 

According to Hofmann, barley was kind of a code word, so it wasn’t barley itself but what grows on the barley. Ergot is this naturally occurring fungus, which is probably more common on rye, but does occur on barley and wheat. So maybe the priestesses or the families that ran Eleusis had figured out some way to isolate the magic alkaloids to deliver this vision to people.

SP: You traveled to many of historical sites, including the Temple of Eleusis, and you talked with the chief excavator there. What did you find out?

BM: I went to Eleusis to ask one question. If this hypothesis from 1978 has any merit, there’s one very easy way to test it — all you have to do is subject one of these ancient chalices that may have contained the infamous kykeon and just see what’s in there. We have these wonderful new techniques like gas chromatography, mass spectrometry, that can dig into these ancient containers and tell us some of the biomarkers that were in there. 

When I asked her the question, the unfortunate answer was that all the vessels that have been excavated from this ritual sanctuary had been cleaned. They’d all been cleansed for conservation purposes. So there was no active data on site and I was forced to look elsewhere.

Brian Muraresku.

SP: The other big piece of your theory is that the Mysteries of Eleusis led directly to the founding of Christianity, which is a very radical idea. Why do you think that?

BM: This is not my idea — I’m following up on scholarship from Ruck and others. But if you take a big step back, the general idea is sometimes referred to as the “pagan continuity” hypothesis. Maybe some of these archaic pagan cults, some of them even drug-fueled, made their way from the Greeks and Romans into the earliest Christians. And if you just think about it, the one thing that unites both of these worlds is the ancient Greek language, right? The New Testament is written in ancient Greek. Paul is writing most of the New Testament to Greek-speaking communities all over the Mediterranean, not the Holy Land.

The initial gospel is spread by Jesus in Galilee, but the Christian faith really takes root in the Greek-speaking parts of the Mediterranean. As you begin to tease out the language, and look at the early frescoes that were left from the second and third centuries A.D., you begin to construct a picture of Greek-inspired Christians who just may have carried over some of these pagan practices into the new religion.

SP: So it’s one thing to say that Christianity grew out of many traditions and stories passed down from the pagan world. It’s a very different thing to say that this sacred ritual at Eleusis involving kykeon was central to the founding of Christianity. Are you making that argument?

BM: I wouldn’t say that Eleusis, per se, was central. I focus more on the Mysteries of Dionysus. When we’re talking about the Mysteries of Eleusis, we’re talking about an agrarian cult that seems to have used some kind of beer-based potion in its mysteries. With Christianity and the Mysteries of Dionysus, you’re talking about wine, a new sacrament for a new millennium. In other words, the pagan wine of Dionysus may have become the Christian wine of Jesus. So the big question is, what kind of wine was that? 

I sometimes refer to that as the most overlooked question of the past 2,000 years. When you think of Da Vinci’s painting of the Last Supper, you see Jesus there with his mates and all the cups, the goblets of wine on the table. What kind of wine was that? Why do we assume that the wine of the first century was the same wine that’s being pumped out of Napa and Sonoma today? As you look at the archeology or the texts from the time, it becomes very apparent that ancient wine was a very mysterious beverage.

At the same time, the gospels are being written in the first century, you have a Greek writer like Dioscorides, and he records dozens and dozens of formulae for spiking wine with different ingredients, including Solanaceaes plants like black nightshade, which he specifically says in Greek produce not unpleasant visions. So there was this rich pharmacopeia and botanical knowledge in the first century.

SP: The obvious parallel here is with the Eucharist, but my impression is that most Catholics who go to Mass today don’t take the Eucharist literally. Just because they eat bread and drink wine, they don’t actually think they are becoming the body and blood of Jesus.

BM: Yeah, and I quote a poll to that extent. According to Pew, 69 percent of American Catholics do not believe in transubstantiation, which is a shocking number because when I was growing up Catholic, I was taught the literal transformation of the bread and wine into the body and blood of Jesus was the defining feature of the faith. 

If you don’t believe you’re consuming that real presence of Jesus, what good is the Eucharist? Is it just a metaphor? Is it just a symbol? Clearly, to the earliest Christians, it meant something different. Now, that doesn’t mean it was psychedelic, but whatever was being consumed by these earliest Christians meant something. And to them, Jesus was alive in their sacraments.

SP: So what happened to Christianity? If psychedelics were used by the early Christians, why did they get rooted out of the Church?

BM: We don’t really know, but we know when it happens. This mystical, heretical side of Christianity — which is sometimes referred to as Gnosticism — is largely wiped off the map in the same way that the pagan mysteries themselves, like Eleusis, were destroyed in the late fourth century. They go underground and largely disappear. 

If there is a pharmacopeia, it’s probably kept alive by the traditional herbalists in Italy, Greece and elsewhere. And they would be known later as the witches. It was the witches who may have kept alive some of this botanical knowledge through the dark ages.

SP: Does any of this history matter today? It’s fascinating, but does it have relevance to our world now?

BM: I think it raises well-founded questions about the origins of Western civilization. If the Greeks were using drugs to find God, and that was at least part of the inspiration behind the way we organize our government or our economy, or the way we relate to one another, it’s something worth investigating. 

If this hypothesis is correct and Eleusis is kind of the hub of Greek existence, what would that mean for us today? Are we missing something in the way that we’ve organized our society? When the initiates talk about not just overcoming their fear of death and becoming immortal but coming back from that experience as a fully-fledged member of the human race, it offers a tantalizing clue as to what may have fueled the success of democracy.

Interestingly, in today’s clinical trials of psychedelics, you see people walking away transformed from only one dose of psilocybin, but not in any kind of self-obsessed or narcissistic way. I interviewed a couple of volunteers who talked about coming back to this world as better family members and better members of society. And clinicians talk about these qualities being reborn in people — like kindness and self-sacrifice, cooperation, resource-sharing. If psychedelics can do that, it’s something we ought to look at.

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