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    Science

    Mind & Matter

    Whether food, drugs or ideas, what you consume influences who you become. Learn directly from the best scientists & thinkers alive today about how your mind-body reacts to what you feed it.

    The weekly M&M podcast features conversations with the most interesting scientists, thinkers, and technology entrepreneurs alive today.

    Not medical advice.

    At M&M, we are interested in trying to figure out how things work, not affirming our existing beliefs. We prefer consulting primary rather than secondary sources and independent rather than institutional voices. If we encounter uncomfortable truths or the evidence suggests unfashionable ideas may be valid, so be it.

    As the host, my aim is to help you better understand how the body & mind work by curating & synthesizing information in a way that yields science-based insights that you can choose to use or disregard in your own life. Taking ownership of your health starts with taking ownership of your information diet.

    I am motivated to connect the dots and distill general principles from what I learn, preferring to ask questions and play devil’s advocate to debating or incessantly pushing my own viewpoint.

    My beliefs:

    • Taking ownership of your health starts with taking ownership of your information diet.
    • All knowledge is provisional and we must work hard to prevent ourselves from becoming attached to our favorite ideas & preferred conclusions.
    • Wisdom comes from an iterative, trial-and-error process of learning and unlearning. Letting go of pre-conceived notions can be painful, but pain is information.

    Sometimes modern discoveries teach us we must unlearn received wisdom. Other times, modern information overload & historical chauvinism cause us to forget ancient wisdom which stills applies. The framework for learning that I embody is inspired by three Ancient Greek maxims inscribed in the Temple of Apollo at Delphi:

    • “Γνῶθι σεαυτόν” (Know thyself)
    • “Μηδὲν ἄγαν” (Nothing in excess)
    • “Ἐγγύα πάρα δ Ἄτα” (Certainty brings insanity)
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    Copyright: © 2025 Nick Jikomes

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    Latest Episodes:
    Sex Differences in Brain, Endocannabinoid Biology, Juvenile Play Behavior, Cannabis & Pregnancy | Margaret McCarthy | 81 Jul 27, 2022
    Show notes

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    Nick talks to neuroscientist Dr. Margaret McCarthy, whose lab at the University of Maryland studies the origins and mechanisms of sex differences in the brain, the endocannabinoid system, and neural basis of animal behavior. They discuss: the nature of sex differences observed in the mammalian brain, including differences in the susceptibility to various diseases and disorders of the brain; differences in juvenile play behavior in males vs. females, and how these can be altered by sex hormones and cannabinoids; sex differences in brain development that lead to sex differences in behavior; how the endocannabinoid system influences brain development and behavior; how cannabis use during pregnancy may influence brain development.
    *This content is never meant to serve as medical advice.

    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


    Origins of the SARS-CoV-2 Virus | Matt Ridley | Episode 80 Jul 20, 2022
    Show notes

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    Nick talks to science writer Matt Ridley, who most recently published the book, "Viral: The Search for the Origin of COVID-19" together with molecular biologist Dr. Alina Chan. They discussed what is known and still unknown about the origins of the SARS-CoV-2 virus, the latest developments in that mystery which have come to light in the past few months; the relationship between institutional science and politics; whether we are ever likely to know definitively the origins of this virus, and more.
    *Not medical advice.


    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


    Psychedelic Startups, Biotech, Drug Discovery, Psilocybin, DMT, Psychedelics & Society | Sam Banister | Episode 79 Jul 13, 2022
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    Nick talks to medicinal chemist Sam Banister, who is co-founder and Chief Science Officer at Psylo, a biotech startup focused on developing next-generation psychedelic medicines. They discuss: the past, present, and future of psychedelic science; Sam's journey from academia to biotech startup co-founder; Alexander Shulgin; psychedelics like psilocybin, DMT, and others; and psychedelics & society.

    *Not medical advice.


    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


    Nature vs. Nurture, Neurogenetics, Personality, Autism, Schizophrenia, Synesthesia & Free Will | Kevin Mitchell | Episode 78 Jul 06, 2022
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    Nick talks to neuroscientist & geneticist Dr. Kevin Mitchell about: 'Nature vs. Nurture,' the genetics of brain development, autism & schizophrenia, human brain and psychological variation, synesthesia, agency & free will, and more.
    More neuroscience & genetics content here.
    *Not medical advice.

    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


    Addiction, Nicotine, Deep Brain Stimulation, Neurotechnology & Parkinson’s Disease | Michael Fox | Episode 77 Jun 29, 2022
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    Nick talks to neurologist & neuroscientist Michael Fox, MD, PhD about his recent work mapping out an "addiction remission network" in the brain. They discuss addiction, brain networks involved in addiction, neurotechnologies like Deep Brain Stimulation and Transcranial Magnetic Stimulation, Parkinson's Disease, and more.
    *Not medical advice.

    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


    Metabolism, Fat, Carbs, Protein, Ketogenic Diet, Nutrition, Blood Sugar & Personal Health Monitoring | Dominic D'Agostino | Episode 76 Jun 22, 2022
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    Nick talks to physiologist and neuroscientist Dr. Dominic D'Agostino about human metabolism & nutrition; fats, carbohydrates, sugar, and protein; ketogenic diet, ketosis, BHB supplementation; inflammation and polyunsaturated fats; personal health and metabolism monitoring; and general questions related to the quality of the nutritional information we receive from our institutions.
    Learn more about the science of diet & metabolism.
    *Not medical advice.

    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


    Ritual Behavior, Habits, Human Culture & Religion | Dimitris Xygalatas | Episode 75 Jun 15, 2022
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    Nick talks to anthropologist Dr. Dimitris Xygalatas, who is an associate professor at the University of Connecticut. His research interests center around human ritual behavior and the interaction between cognition and culture. They discuss his new Book, "Ritual: How Seemingly Senseless Acts Make Life Worth Living." Topics covered: Rituals vs. habits; the psychological purpose of ritual; ritualism as an antidote to anxiety; religion and spiritual practices; culture & the birth of civilization; the physiological and psychoactive effects of ritual; Ayahuasca and psychoactive drugs; rituals in sports, gambling, and other human activities; the evolution of language & symbolic cognition; religion, community & Burning Man.

    *Not medical advice.


    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


    Psychoactive Drugs & Memory (Sedatives, Stimulants, Cannabinoids, Psychedelics, MDMA) | Manoj Doss | Episode 74 Jun 08, 2022
    Show notes

    Send us Fan Mail

    Nick talks to cognitive psychopharmacologist Dr. Manoj Doss about the effects of psychoactive drugs on memory, including sedatives, stimulants, psychedelics, cannabinoids, and MDMA. They also talk about recent research on the effects of psilocybin on the human brain.
    *Not medical advice

    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


    Emotion, Cognition, Consciousness, Behavior & Brain Evolution | Joseph LeDoux | Episode 73 Jun 01, 2022
    Show notes

    Send us Fan Mail

    Nick talks to neuroscientist Dr. Joseph LeDoux, who runs a research lab at New York University. His research focuses on the neurobiology of emotion, memory and behavior and he has written several popular science books including, "The Deep History of Ourselves." They discuss: brain evolution; what is behavior? what are emotion and cognition, and how are they intertwined; consciousness, language, and memory.
    *Not medical advice.

    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


    Ketogenic Diet, Cancer, Microbiome, Nutrition & the Immune System | Maayan Levy | Episode 72 May 25, 2022
    Show notes

    Send us Fan Mail

    Dr. Maayan Levy is an assistant professor of microbiology at the University of Pennsylvania, where her lab studies the communication between the microbiome and its host, with a focus on the gut microbiome and its relationship to diet, immune system function, and disease. We discuss: her recent study linking the ketogenic diet to lower risk of colon cancer; what the ketogenic diet is and what the metabolic state of ‘ketosis’ does in the body; molecules called ketone bodies, such as BHB, and the extent to which BHB supplementation can recapitulate some of the physiological effects of the ketogenic diet; how the microbiome influences the function and development of the immune system; and the hygiene hypothesis, the idea that modern human cultures may be too clean, or rely too heavily on antibiotics and other technology, and interfere with our microbiome in ways that may be detrimental to metabolic and immunological health.
    *Not medical advice.

    Support the show

    Support my work:

    • Good Chemistry: Personalized, science-based health consulting. Work with Dr. Nick Jikomes directly.
    • Affiliate Partners: Visit this link to see my affiliate partners and get discounts codes for products & services to support health.

    For all the ways you can support my efforts.


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