Mind & Matter

Send us Fan Mail Dr. John Hawks is a paleoanthropologist and professor of anthropology at the University of Wisconsin-Madison. They discuss: the evolution of human behavior, diet, anatomy, and culture; Neanderthals, Denisovans, Homo erectus , and other species; the latest discoveries related to Homo naledi , which was the subject of the Netflix documentary, "Cave of Bones." To learn more...

Send us Fan Mail Dr. Mario Capecchi is a professor of genetics at the University of Utah & Nobel laureate. He discussed: his latest work in neurobiology, looking at the role of microglia in anxiety & Obsessive Compulsive Disorder (OCD); his Nobel Prize-winning work in molecular genetics; molecular biology & genetics; his childhood experiences as an orphan in Italy during World War II;...

Send us Fan Mail Dr. Adriene Beltz is an associated professor of psychology at the University of Michigan who studies the effects of sex hormones & hormonal contraception on human cognition and the brain. They discuss: sex hormones (androgens & estrogens); hormonal regulation of menstruation, puberty, and pregnancy; common forms of hormonal birth control & how they work; effects of sex...

Send us Fan Mail Nick talks to Dr. Matthew Hill, a neuroscientist at the University of Calgary whose lab studies how the endocannabinoid system and cannabis (marijuana) influence the brain & behavior. They discuss: endocannabinoid biology; endocannabinoid regulation of stress & anxiety; endocannabinoids & exercise; how marijuana & THC influence brain development; and more. More con...

Send us Fan Mail Nick talks to molecular physiologist Dr. Vijay Yadav, an assistant professor at Columbia University whose lab studies the molecular & cell biology of aging, nutrition, and longevity. They discuss: the cell biology of aging; how nutrients affect aging & disease; the atypical amino acid taurine & its effects on aging; taurine clinical trials & supplementation; diet,...

Send us Fan Mail Nick talks to Gül Dölen, MD, PhD, a neuroscientist at Johns Hopkins University whose lab studies social behavior, synaptic plasticity, psychedelics & evolution. They discuss: What drugs like LSD, psilocybin, ketamine, MDMA, and ibogaine have in common in terms of their molecular effects in the brain; why Dr. Gül Dölen believes all of these drugs can be described as "psych...

Send us Fan Mail Nick talks to Dr. Alan Davis, a clinical psychologist and Director of the Center for Psychedelic Drug Research & Education at Ohio State University. They discuss: the effectiveness of mainstream forms of psychotherapy and antidepressant medications (SSRIs) for depression; psychedelic medicine & psilocybin-assisted psychotherapy; the relevance of the subjective effects of p...

Send us Fan Mail Nick talks to Bryan Roth, MD, PhD, a Professor of Pharmacology at the University of North Carolina. Dr. Roth has been studying the molecular mechanisms of psychedelics since the 1980s. They discuss: serotonin 2A receptors in the mammalian brain; psychedelics & neuroplasticity; classic psychedelics (e.g. LSD, psilocybin, DMT) compared to drugs like ketamine & MDMA; TrkB rec...

Send us Fan Mail Nick talks to ethnopharmacologist Dr. Dennis McKenna, who is the brother of psychonaut Terence McKenna and author of the book, "The Brotherhood of the Screaming Abyss." They discuss: the lives and psychedelic adventures of Dennis & Terence McKenna; experiences with psilocybin mushrooms & DMT; Carl Jung & psychology; the medical relevance of subjective psyched...

Send us Fan Mail Nick talks to Daniel Karlin, MD, a board-certified physician in psychiatry, addiction medicine & clinical informatics who is the Chief Medical Officer at MindMed. They discuss: psychiatry; incentives in scientific & medical research; healthcare & mental health; psychedelics; LSD for anxiety; MDMA for autism; ibogaine derivatives for addiction; patient access & care...

Send us Fan Mail Nick talks to chemist & food scientist Dr. Selina Wang about: food quality & purity; cooking oils (avocado, olive, vegetable, etc.); fruits & vegetables; oxidation & purity of cooking oils; how to identify high quality, pure foods to purchase; and more. *Not medical advice. Support the show Support my work: Good Chemistry : Science-based health consulting AquaTru :...

Send us Fan Mail Nick talks to Dr. Luc van Loon, Professor of Exercise Physiology & Nutrition at Maastricht University, about topics in exercise science, health & nutrition. They discuss: macronutrients & energy; protein quality & digestibility; endurance & resistance training; plant vs. animal protein; muscle conditioning & muscle fibers; sleep & aging; muscle physiolo...

Send us Fan Mail Nick talks to Dr. Iain Oswald, who has a PhD in chemistry from the University of Texas-Dallas and is principal scientist Abstrax Tech, a cannabis research and product development company. He is an expert in using cutting edge analytical chemistry techniques to study plant chemistry and has done a lot of work to decipher the chemistry of commercial cannabis, including lesser-known...

Send us Fan Mail Nick talks to board-certified toxicologist Dr. Echo Rufer. The conversation starts with a brief overview of what the science of toxicology is all about & a little bit about alcohol toxicity. They then discuss: differences between vaping and smoking; what toxins are produced through the combustion of plant material, especially tobacco & marijuana; cannabinoids like THC &amp...

Send us Fan Mail Nick talks to Dr. Nathan Price, who is a professor at the Institute of Systems Biology and Chief Science Officer of Thorne HealthTech. They discuss topics related to his new book, "The Age of Scientific Wellness: Why the Future of Medicine is Personalized, Data-Rich, and in Your Hands." Listen to Nick's previous discussion with Dr. Nathan Price. *Not medical advice....

Send us Fan Mail Nick talks to Daniel Brady, PhD a neuroscientist who studied sensory systems in the developing brain. Dr. Brady is also the co-founder and CEO of Orita.ai, a startup using machine learning & AI to solve data problems for direct-to-consumer brands. They discuss: critical periods of learning, childhood brain development, neuroplasticity, synesthesia, language acquisition, Orita....

Send us Fan Mail Nick talks to Dr. Rusty Gage, a neurobiologist at the Salk Institute whose lab studies how genes & environment interact to influence brain development, including the process of adult neurogenesis. They discuss: what neurogenesis is and how it works; lifestyle factors that influence neurogenesis, such as exercise, intermittent fasting, etc.; molecular pathways involved in neuro...

Send us Fan Mail Nick talks with Nick Mosley, who is CEO of a cannabis testing lab called Confidence Analytics, which conducts analytical testing for legal cannabis products in Washington & California. They discuss: how analytical testing for cannabis products works; THC, CBD, and cannabinoid content; terpenes; pesticides, heavy metals, and microbial contaminants; the phenomenon of THC inflati...

Send us Fan Mail What is Mind & Matter? Whether food, drugs or ideas, what you consume influences who you become. Learn directly from the best scientists & thinkers about alive today about how your body & mind react to what they’re fed. The weekly M&M podcast features conversations with the most interesting scientists, thinkers, and technology entrepreneurs alive today. Learning ph...

Send us Fan Mail Nick talks to psychiatrist & neuroscientist Devanand Manoli, MD, PhD, whose lab at UCSF studies the neural basis of social behavior & attachment in prairie voles. As a psychiatrist, he also treats patients with childhood psychosis. They discuss: the neural basis of pair bonding, monogamy, and parental & sexual behavior; oxytocin, vasopressin, testosterone & estroge...

Send us Fan Mail Nick talks to Dr. Paul Cisek, a neuroscientist at the University of Montreal who studies sensorimotor control & decision making in primates. They discuss: the evolution of the brain from the earliest nervous systems to humans; metabolism & state control; the evolution of behavior; sensation, perception, cognition, decision making & consciousness; language & represe...

Send us Fan Mail Nick talks to Dr. Stephen Simpson & Dr. David Raubenheimer, both professors at the University of Sydney who have been research collaborators for many years. Their research focuses on understanding animal feeding behavior, especially how & why different animals use their sensory systems in order to consume foods so that their diets contain the right balance of nutrients. Un...

Send us Fan Mail Nick talks to Dr. Christoffer Clemmensen, who runs the Metabolism & Molecular Pharmacology group at the University of Copenhagen in Denmark. His lab studies the biological basis of obesity & other metabolic disorders. They discuss: the causes of obesity; environmental and biological factors influencing predisposition to obesity; novel anti-obesity drugs; gut hormones &...

Send us Fan Mail Nick talks to academic dermatologist Dr. Richard Weller about: skin health; benefits & risks of sunlight & UV radiation exposure; nitric oxide, blood pressure & cardiovascular health; vitamin D; sunscreen & tanning; the evolution of skin color & skin physiology; and more. *Not medical advice. Support the show Support my work: Good Chemistry : Science-based heal...

Send us Fan Mail Nick talks to biologist Dr. Christoph Thaiss, a professor at the University of Pennsylvania. His lab studies how the body detects & responds to environmental stimuli, with a focus on interactions between the gut microbiome, immune & nervous systems. They discuss: sensory systems of the body & basic principles of how they work; gut microbiome & the consequences of d...