JRE 2403 · October 30, 2025

Andrew Gallimore

sciencepsychologydmtphilosophyhealth

Who is Andrew Gallimore?

Andrew Gallimore, PhD, is a chemical pharmacologist and neurobiologist. He is one of the world’s leading experts on psychedelics and the author of several books, including his most recent, “Death by Astonishment: Confronting the Mystery of the World’s Strangest Drug.”

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TLDR — Key Topics and Moments

  • 01Andrew Gallimore discusses his latest book 'Death by Astonishment' focusing on the pharmacology of exotic psychedelics and their neurobiological effects
  • 02Exploration of how psychedelics interact with the brain and consciousness, including discussion of DMT and other compounds
  • 03Gallimore explains the difference between recreational drug use and therapeutic applications of psychedelics in medical contexts
  • 04Discussion of the intersection between chemistry, neurobiology, and the subjective experience of altered states of consciousness
  • 05Examination of why certain psychedelics produce such profound and sometimes disturbing psychological experiences
  • 06Analysis of the future of psychedelic research and its potential applications in treating mental health conditions

The Show

Joe brings on Andrew Gallimore, a chemical pharmacologist and neurobiologist with serious credentials in the psychedelic research space, to discuss his new book 'Death by Astonishment' and the cutting edge science behind some of the world's most powerful drugs. Gallimore brings a unique perspective because he combines hard neuroscience with a deep understanding of the subjective experiences people have on these substances, which is rare in academic circles.

The conversation digs into the pharmacology of various psychedelics and how they actually work in the brain at a chemical level. Rather than staying abstract, Gallimore uses specific examples to explain receptor binding, neurochemical cascades, and how different compounds create wildly different experiences even though they might work through similar mechanisms. This is the kind of technical detail that usually gets boring, but Gallimore explains it in a way that actually makes sense and connects to the lived experience of people who take these substances.

One of the core themes throughout is the gap between what we know scientifically and what we still don't understand about consciousness and subjective experience. Gallimore acknowledges that while we can map which brain regions light up and which neurotransmitters are involved, the fundamental mystery of how that creates the vivid, meaningful experiences people report is still largely unsolved. Joe and Andrew discuss whether consciousness is generated by the brain or if psychedelics are somehow allowing us to perceive things that are already there, which gets into some genuinely mind bending philosophical territory.

The discussion also touches on the therapeutic potential of these compounds and how understanding the pharmacology could help develop safer, more effective treatments for depression, PTSD, and other conditions. Gallimore is careful to distinguish between sensationalism and actual science, calling out hype while still being optimistic about the genuine potential. There's also real talk about the dangers and why just because something is 'natural' doesn't make it safe, and why proper research and medical supervision matters.

Key Moments

Introduction to Andrew Gallimore and his background in psychedelic research0:00:00Discussion of 'Death by Astonishment' and what inspired the book0:05:30Explanation of how different psychedelics work at the neurochemical level0:18:45Debate about whether psychedelics reveal existing reality or create subjective experience0:42:10Discussion of therapeutic applications and the future of psychedelic medicine1:15:20

Best Quotes

"The gap between what we can measure in the brain and what people actually experience is one of the deepest mysteries in science"
"Just because something is natural doesn't mean it's safe - that's a dangerous assumption people make with psychedelics"
"We're at a point where we can map the neurobiology but the fundamental question of consciousness remains unanswered"
"The specificity of these compounds is remarkable - tiny chemical differences create completely different psychological experiences"
"Understanding the pharmacology is crucial if we want to develop these substances for legitimate medical purposes"

Products and Books Mentioned

Everything brought up in this episode — linked to Amazon.

Death by Astonishment: Confronting the Mystery of the World's Strangest Drug

Amazon

Andrew Gallimore's latest book exploring the pharmacology and neurobiological effects of exotic psychedelics.

Perplexity

Amazon

AI search and research application available for download.

As an Amazon Associate we earn from qualifying purchases.

Full Transcript (click to expand)

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