Join Dennis McKenna in this insightful conversation with Rebecca Lazarou as they explore the urgent need to preserve ancestral medicinal plant knowledge, the role of ethnopharmacology, and how traditional herbal wisdom can be protected for future generations. Rebecca shares the story behind her PhD research on Cypriot medicinal plants and her mission to document at-risk ethnobotanical knowledge before it disappears. They also discuss citizen science, cultural heritage, biodiversity, and the connection between science and traditional healing.

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IMPORTANT NOTICE:

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Rebecca Lazarou’s work is an ecology of different disciplines spanning across medical science, ethnopharmacology, herbalism, holistic healthcare, cannabis and psychedelics. She is also an activist, writer, speaker and herbal formulator.

She is currently a PhD candidate at Kew Gardens and UCL School of Pharmacy with a focus on ethnopharmacology and herbal medicines. She was the science and managing editor for the ESPD55 volume, is currently co-editor for education charity Herbal Reality and founded Laz The Plant Scientist to bring quality, sustainably sourced herbal medicines and education to people.

She is passionate about democratizing knowledge, and rekindling ethnobotany and herbalism from being marginalised disciplines to part of common knowledge again.

Ultimately her aim is to help nurture our relationship with nature through natural medicines, and support our species return back to Earth centred living. She is devoted to science to demystify these topics, but equally I am committed to rekindling the magic, awe and healing we find on our precious Earth.

You can read more about her work at rebeccalazarou.com

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In this episode of Brainforest Café, Dennis McKenna sits down with

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Greg Hemmings is an award-winning Canadian filmmaker whose work examines how storytelling can catalyze positive social and environmental change. He is the founder of Hemmings House Pictures, a certified B Corporation that produces documentary, factual, and scripted works for international audiences.

Greg’s recent projects explore the intersections of neuroscience, creativity, ecology, and consciousness, with particular interest in how human relationships to nature, including traditional and contemporary research into plant-based knowledge systems, can inform wellbeing and collective resilience. In 2023, he received an honorary doctorate for contributions to the arts and social change. Greg is also a mentor, speaker,  musician, and lifelong student of what helps humans—and the planet—thrive.

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Dennis McKenna and OpticMystic explore humble, a graphic meditation on openness, self-questioning, books, technology, AI, love, and the ongoing mystery of what it means to be human.

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OpticMystic a.k.a Hugo Amadeu is just a human fascinated by being alive.

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In this special crossover episode of Plants of the Gods and Brainforest Café, Dennis McKenna and Mark Plotkin explore sacred plant medicines, psychedelic science, and indigenous wisdom, moving from DMT and ayahuasca to virola snuffs, salvia, ibogaine, and beyond. Originally recorded for Mark´s Podcast “Plants of the Gods”, this rich conversation on ethnobotany, shamanic healing, and the future of psychedelic medicine is now being released as a special crossover on both shows.

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Dr. Mark Plotkin is a renowned ethnobotanist who has spent more than four decades working alongside Indigenous communities of the Amazon to document and protect traditional plant knowledge. He is President and co-founder of the Amazon Conservation Team (ACT), a nonprofit he launched in 1996 with fellow conservationist and his wife, Liliana Madrigal, to support Indigenous stewardship of tropical forests and biocultural knowledge.

Dr. Plotkin is also the host of Plants of the Gods, a popular podcast exploring hallucinogenic plants and fungi and their powerful influence on world culture, religion, and healing. He is the author of several widely read books on ethnobotany and conservation and has shared his work through a TED Talk and lectures around the world. Dr. Plotkin was educated at Harvard, Yale, and Tufts University.

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Ethnobiologist Michael Coe returns to Brainforest Café with a special

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Michael Coe is an ethnobiologist and applied ecologist with a Ph.D. in

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Discover Una Meistere’s journey from Soviet-era Latvia to becoming a

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Michael Coe is an ethnobiologist and applied ecologist with a Ph.D. in Evolution, Ecology, and Conservation Biology. As an Assistant Professor at Tarleton State University, his teaching and research focuses on the relationships between humans, ecosystems, and traditional knowledge systems. Passionate about biodiversity and the sustainable management of natural resources, Michael brings a dynamic interdisciplinary perspective, helping to integrate contemporary ethnobiology and ecology with traditional ecological practices to inform sustainable use strategies, conservation priorities, and global medicine security.  Michael is the principal investigator (PI) for the COE LAB where they are conducting hypothesis driven research in ethnobiology and harvest impact assessments on medicinal plants that serve as a primary source of healthcare for over 80% of the world's population. Michael is also the Director for Research and Education for the Pacha Nishi project, a Shipibo-Konibo led effort in the Peruvian Amazon basin seeking to restore 20ha. of degraded land in an agroforestry setting with a primary goal to inform sustainable ayahuasca production in the area as locally sourced sustainably grown medicine.

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Terence McKenna was the stand‑up philosopher of the apocalypse. A cognitive libertarian. The anti‑guru who rejected authority—even his own. Twenty‑five years after his passing, the “Tryptamine Elf King” still haunts the present, reverberating through the sensorium of a new generation.

Inspired by Graham St John’s definitive magnum opus, Strange Attractor: The Hallucinatory Life of Terence McKenna, the inner circle—the family, the friends, and the co‑conspirators who knew the man behind the myth—came together for an extraordinary online conversation.

PANELISTS BIOGRAPHIES:

Dennis McKenna and his brother Terence first came to S. America in 1971. Their unexpected adventures in pursuit of exotic psychedelics led to some surprising discoveries recounted in Terence’s book, True Hallucinations, and Dennis’ 2012 memoir, The Brotherhood of the Screaming Abyss. In 1981, Dennis returned to Peru, this time as a graduate student, and began his scientific investigations of ayahuasca. In 2019 he founded the McKenna Academy of Natural Philosophy.

Graham St John, PhD, is a cultural anthropologist and historian of transformational events, movements, and figures. His new book Strange Attractor: The Hallucinatory Life of Terence McKenna (MIT Press, Oct 7, 2025) is the latest among his ten books, which also include Mystery School in Hyperspace: A Cultural History of DMT (North Atlantic Books 2015). Graham is Senior Research Fellow in the Department of Media, Humanities and the Arts at the University of Huddersfield, UK.

Tama Starr is an acclaimed author and former president of Artkraft Strauss, the historic company behind Times Square's iconic signs and the New Year’s Eve Ball. A pioneering psychedelic yogi, she is connected to Terence McKenna’s circle and recorded one of his earliest talks. Starr’s work spans literature, business, and psychedelic culture.

R.U. Sirius is a cultural icon best known as founder and editor-in-chief of the influential 1990s cyberdelic magazine Mondo 2000. He authored multiple books including collaborations with Timothy Leary and is also a lyricist and vocalist, currently active with the album The Smarter Kings of Deliria by R.U. Sirius & Phriendz.

Dr. Bruce Damer is an astrobiologist and Chief Scientist at the BIOTA Institute, UC Santa Cruz, known for co-authoring a leading origin-of-life hypothesis. He also pioneers psychedelic insight research through the Center for MINDS and has designed innovative spacecraft concepts for NASA. Damer collaborated with Terence McKenna on early virtual worlds and explores humanity’s cosmic future.

Dan Levy, New York-based since 1988, edited Terence McKenna’s key books: The Archaic Revival, True Hallucinations, and The Invisible Landscape (2nd ed.). An early WELL member, he built pioneering websites for McKenna, Bob Dylan, Patti Smith, and more. He taught programming to kids and serves on The Jazz Gallery board.

Lorenzo Hagerty is a former Navy officer turned cyber-lawyer and storyteller, known for founding the Psychedelic Salon podcast. With decades at the crossroads of technology, culture, and consciousness, he explores AI's connection to Terence McKenna’s TimeWave theory through his fiction and public talks.

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Sharon McKenna is the director and producer of the forthcoming feature documentary, “It’s Going to Get Weirder: The Terence McKenna Story.”

Sharon  is a writer, film director, and journalist whose work has appeared in a range of outlets, from several alternative weeklies to MSNBC digital, among others. Her career spans three-plus decades of network news production, investigative reporting, corporate creative work and screenwriting. Her screenplays have been optioned and won numerous awards, and she has worked as a script reader and consultant for several film production companies.

She is a member of the International Documentary Association, Film Independent, Women in Film, the Electronic Frontier Foundation and several other organizations dedicated to filmmaking, the arts, and freedom of speech. Sharon has various projects in the works; to learn more about her, visit her creative hub: seanchaistudio.com and you can learn more about the Terence McKenna documentary project at goingtogetweirder.com

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Nissan started his career as a medical doctor and began his work as a general practitioner in an urban community clinic system. He then specialized in ophthalmology and practiced in a small town for 36 years. He became dissatisfied working strictly on the physical level and received training in Gestalt psychotherapy and had a small private practice. He became interested in the field of Natural Vision Improvement which combined his interest in vision with present moment, embodied presence. A reading from a tarot card reading psychic suggested the need for working in and with the spiritual realm to facilitate the Natural Vision work and suggested there were some gifts for him in shamanism. His wife had had a powerful experience in a ceremony with Don José Campos and encouraged him to explore Ayahuasca as a method to open himself spiritually. He had two very different , but powerful experiences with Don José and participated in a plant dieta in the Amazon in 2005 with Don José. He received what he interpreted as an initiatory experience and felt called to be trained as a vegetalista. He embarked on the training under Don José and Don Lucho’s guidance and began leading ceremonies in the US in 2009 and in 2011 began leading plant dietas in the Amazon. He continues to lead ceremonies in various locations in the US and occasionally Canada and leads dietas in the Amazon twice a year.

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