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by The Tox Lab
The Tox Lab is a podcast dedicated to exploring the science of toxicology and its real-world implications. Each week we aim to break down complex research, investigate real-life cases, and discuss emerging trends in toxicology. Disclaimer: All opinions are our own. Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.com
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This week on The Tox Lab, we’re discussing the life and work of one of the most influential figures in psychedelic chemistry, Alexander “Sasha” Shulgin.From his early career at Dow Chemical to his pioneering work with psychoactive compounds, Shulgin’s career helped shape the modern landscape of psychedelic research.We discuss his fascination with psychedelics, his meticulous approach to self-experimentation, and his synthesis and investigation of hundreds of compounds, including his role in the rediscovery of MDMA and the publication of PIHKAL and TIHKAL.Join us as we examine the science, stories, and controversies surrounding Alexander Shulgin, and consider how one chemist helped shape our modern understanding of psychedelic drugs.Link to Shulgin's laboratory notebooks: https://www.erowid.org/library/books_online/shulgin_labbooks/ Disclaimer: All opinions are our own.Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.comCheck out our new website: https://thetoxlab.co.uk/ Support us here: https://buymeacoffee.com/thetoxlab
This week on The Tox Lab, we’re discussing novel benzodiazepines and examining recent trends in their emergence and detection.We begin by exploring the origins of novel benzodiazepines, including how these compounds have entered the drug market and the factors contributing to their continued appearance.We then turn to a paper from the Society of Forensic Toxicologists (SOFT) Novel Psychoactive Substances Committee, examining trends in novel benzodiazepine detections between 2021 and 2025. We discuss findings from post-mortem investigations, clinical presentations, driving under the influence of drugs cases, and drug-facilitated crime, highlighting the compounds most commonly encountered, including bromazolam, etizolam, and desalkylgidazepam, and how patterns have changed over time.We also explore the analytical challenges associated with novel benzodiazepines, including their detection and identification in toxicology laboratories, the limitations of routine testing, and the difficulties associated with interpreting toxicological findings when limited pharmacological, toxicological, and concentration data are available.Join us as we examine the evolving landscape of novel benzodiazepines, consider the challenges they present for forensic and clinical toxicology, and discuss what these trends may tell us about the future of the drug market.Hope you enjoy!Links to the paper we discussed:https://academic.oup.com/jat/advance-article/doi/10.1093/jat/bkag026/8662327?searchresult=1 https://academic.oup.com/jat/advance-article-abstract/doi/10.1093/jat/bkag027/8663758?redirectedFrom=fulltext Disclaimer: All opinions are our own.Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.comCheck out our new website: https://thetoxlab.co.uk/ Support us here: https://buymeacoffee.com/thetoxlab
This week on The Tox Lab, we’re discussing kava and examining its history, use, and potential toxicological effects.We begin by exploring the history of kava and its longstanding cultural and social significance, before discussing reported benefits associated with its use and the reasons it continues to gain popularity.We then turn to potential harms associated with kava, examining cases of acute liver injury and acute interstitial nephritis linked to its use, before discussing a fatal case involving kava ingestion and the toxicological considerations surrounding these reports.Join us as we examine the evolving story surrounding kava, from its traditional use and perceived benefits to the clinical and toxicological challenges associated with its increasing use.Links to the papers we discussed:https://pmc.ncbi.nlm.nih.gov/articles/PMC12405834/pdf/DAR-44-1601.pdf https://doi.org/10.1155/crgm/3914876 https://onlinelibrary.wiley.com/doi/10.1111/nep.70051 http://dx.doi.org/10.1016/j.forsciint.2015.01.032 Check out our new website: https://thetoxlab.co.uk/Disclaimer: All opinions are our own.Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.comSupport us here: https://buymeacoffee.com/thetoxlab
This week on The Tox Lab, we’re discussing poison dart frogs and the alkaloid epibatidine.We begin by examining recent reports surrounding the death of Alexei Navalny and the suggestion that epibatidine may have been involved.We then discuss poison dart frogs and the toxins found within them, including the discovery and isolation of epibatidine. From there, we explore its potent analgesic properties, how it acts at nicotinic acetylcholine receptors, and what makes it both pharmacologically interesting and highly toxic.Finally, we examine attempts to develop epibatidine analogues as novel analgesics and explore the evolutionary question of how poison dart frogs themselves avoid poisoning.Join us as we examine the pharmacology, toxicity, and evolving story surrounding epibatidine, and consider how a toxin derived from poison dart frogs became linked to drug development, toxicology, and international headlines.Hope you enjoy!Links to the papers we discussed:https://www.gov.uk/government/news/joint-statement-by-the-uk-sweden-france-germany-and-the-netherlands-on-alexei-navalnys-deathhttps://pubs.rsc.org/en/content/articlelanding/2000/np/a900728h https://www.science.org/doi/epdf/10.1126/science.aan5061 Check out our new website: https://thetoxlab.co.uk/Disclaimer: All opinions are our own.Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.comSupport us here: https://buymeacoffee.com/thetoxlab
This week on The Tox Lab, we’re back with a long-awaited update on novel synthetic opioids.We begin by discussing the April 2026 UNODC announcement on the increasingly varied forms in which synthetic opioids are being encountered, including vapes, powders, and counterfeit tablets marketed as benzodiazepines, oxycodone, and MDMA.We then turn to the emergence of orphine analogues in both the UK and the US, discussing recent reports and trends associated with these compounds.Finally, we examine a clinical case involving N-propionitrile chlorphine (cychlorphine), exploring the toxicological features and the challenges these emerging opioids present for clinicians, laboratories, and public health systems.Join us as we examine the changing landscape of novel synthetic opioids, consider what these developments may mean for toxicology, harm reduction, and public health, and discuss where the market may be heading next.Hope you enjoy!This episode is very kindly sponsored by Cayman Chemical. Check out their Synthetic Opioid Analytical Standards Panel here: https://www.caymanchem.com/product/44436/synthetic-opioid-analytical-standards-panel-1Links to papers we discussed:https://www.unodc.org/LSS/Announcement/Details/973e194e-f8d6-4b4e-8aca-166aaec4ac7c https://www.polizei.bayern.de/aktuelles/pressemitteilungen/100413/index.html https://onlinelibrary.wiley.com/doi/10.1111/dar.70081 https://assets.publishing.service.gov.uk/media/69f3343fab602a88957eef2b/Seventh_addendum_to_the_ACMD_report_on_the_use_and_harms_of_2-benzyl-benzimidazole__nitazene__and_piperidine_benzimidazolone__brorphine-like__opioids_FINAL.pdf https://www.cfsre.org/nps-discovery/public-alerts/increase-in-fatal-overdoses-linked-to-novel-synthetic-opioid-n-propionitrile-chlorphine-cychlorphine https://www.tandfonline.com/doi/full/10.1080/15563650.2025.2594070 Link to our paper on N-pyrrolidino Isotonitazene: https://academic.oup.com/jat/advance-article-abstract/doi/10.1093/jat/bkag027/8663758?redirectedFrom=fulltext Disclaimer: All opinions are our own.Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.comSupport us here: https://buymeacoffee.com/thetoxlab
This week on The Tox Lab, we are taking a look at the role of naloxone in risk taking behaviours, harm reduction and disparities surrounding naloxone access. We begin by discussing a study looking at the expansion of naloxone access laws in the United States, exploring whether increased availability is associated with changes in heroin use among adolescents.We then turn to a commentary paper examining the benefits and limitations of educating school children recognise an opioid overdose and administer naloxone.Finally we discuss a paper investigating disparities in naloxone uptake amongst different ethnic and racial groups, and between individuals who inject versus smoke substances. Join us as we explore the impact of naloxone access, education, and disparities, and consider what these findings mean for harm reduction and public health. Hope you enjoy!Links to the papers we discussed:https://www.sciencedirect.com/science/article/abs/pii/S0955395923000294 https://onlinelibrary.wiley.com/doi/abs/10.1111/josh.70089https://pubmed.ncbi.nlm.nih.gov/41428846/Disclaimer: All opinions are our own.Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.comSupport us here: https://buymeacoffee.com/thetoxlab
A year after we first took a look at mitragynine (kratom), we are back with an update episode looking at how the landscape surrounding mitragynine is evolving.We begin by examining poison centre data, exploring trends in reported exposures in the US and internationally, and the increase in its use.We then discuss a case involving semi-synthetic mitragynine derivatives, including 7-hydroxymitragynine and mitragynine pseudoindoxyl, highlighting the clinical features including dose escalation, and challenges associated with withdrawal.Finally, we turn to reports of combined use of kratom and kava, and consider how this may influence toxicity and withdrawal.Join us as we examine emerging data, evolving patterns of use, and the clinical implications of mitragynine and its derivatives, and consider what these findings mean for toxicology and public health.Hope you enjoy!If you'd like us to cover an episode on Kava, please let us know in the comments!Links to the papers we discussed:https://www.cdc.gov/mmwr/volumes/75/wr/mm7511a1.htm https://www.cureus.com/articles/467977-severe-early-onset-withdrawal-following-intentional-use-of-mitragynine-pseudoindoxyl-a-case-report-and-emerging-clinical-considerations#!/ https://www.cdc.gov/mmwr/volumes/75/wr/pdfs/mm7512a1-H.pdf https://journals.lww.com/journaladdictionmedicine/abstract/9900/kava_potentiated_withdrawal_in_persons_using.687.aspx Disclaimer: All opinions are our own.Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.comSupport us here: https://buymeacoffee.com/thetoxlab
This week on The Tox Lab, we’re examining the controversial 2006 Lancet paper on codeine and fatal opioid toxicity in a breastfed infant.We begin by introducing the paper and the case at its centre, in which an infant developed fatal opioid toxicity following exposure to codeine via breast milk.We then explore the proposed mechanism, focusing on the role of CYP2D6 metabolism and how variability in this pathway may lead to higher-than-expected morphine concentrations.We also discuss the limitations and criticisms of the paper, including questions around causality, alternative explanations, and the extent to which pharmacogenetics alone can account for the outcome.Finally, we consider the wider impact of this publication, including changes to clinical guidance, prescribing practices, and the ongoing debate around codeine use in breastfeeding individuals.Join us as we examine the pharmacology, pharmacogenetics, and controversy surrounding this landmark case, and consider what this means for clinical toxicology and patient safety.Hope you enjoy!Links to the papers we discussed:https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(06)69255-6/abstract https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(26)00245-X/fulltext https://www.thelancet.com/journals/lancet/article/PIIS0140673608612544/abstract https://ascpt.onlinelibrary.wiley.com/doi/10.1002/cpt.1882 Link to the New Yorker Article : https://www.newyorker.com/magazine/2026/02/02/did-a-celebrated-researcher-obscure-a-fatal-poisoning Disclaimer: All opinions are our own.Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.comSupport us here: https://buymeacoffee.com/thetoxlab
The Tox Lab is a podcast dedicated to exploring the science of toxicology and its real-world implications. Each week we aim to break down complex research, investigate real-life cases, and discuss emerging trends in toxicology. Disclaimer: All opinions are our own. Find us on instagram: @the_tox_labEmail us here: thetoxlab@gmail.com
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