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The Poison Lab

The Poison Lab

Clinical Toxicology LLC 80 episodes Sep 16, 2026

The Poison Lab is a podcast hosted by clinical toxicologist Ryan Feldman, who has over a decade of experience managing poisonings and drug overdoses. The show explores the history, science, and medical management of toxins from around the world. It features stories of those affected by poisons and insights from experts in poisoning treatment. Each episode aims to uncover the fascinating tales behind various poisons.

Episodes

The Poison Lab Update: What’s Next + a Kratom Research Bonus
The Poison Lab Update: What’s Next + a Kratom Research Bonus Sep 16, 2026 29:11 A quick Poison Lab update: new episodes are in the works, including a forthcoming NACCT research episode—though Ryan is briefly buried under mushroom-poisoning programming, NACCT, travel, and the start of a new academic year.In the meantime, revisit the back catalog, including outbreak episodes, Toxicologists Versus the Internet, and favorites such as “Should We Give Naloxone in Cardiac Arrest?” a
A Morel Dilemma: Episode 7 — What We Know Now
A Morel Dilemma: Episode 7 — What We Know Now Jul 15, 2026 23:17 After weeks of investigation, the Bozeman outbreak is contained, but the questions it raised are much harder to close.In the final episode of A Morel Dilemma, we return to Montana to understand how investigators traced the mushrooms, looked for additional cases, communicated risk to the public, and worked to prevent another outbreak. But the ending is not as simple as naming a culprit. Morels have
A Morel Dilemma- Bonus: Emergency Mushroom Identificaiton
A Morel Dilemma- Bonus: Emergency Mushroom Identificaiton Jul 12, 2026 12:52 When someone eats a mushroom and starts to feel sick, the first instinct is often to figure out exactly what mushroom it was. But mushroom identification is harder, riskier, and more specialized than most people realize.In this bonus episode of A Morel Dilemma, we look at what actually happens after a possible mushroom exposure: who to call, why online apps and social media can be dangerous, and h
A Morel Dilemma: Episode 6 — The Signal
A Morel Dilemma: Episode 6 — The Signal Jul 8, 2026 50:12 The Bozeman outbreak was the first loud signal, but it was not the only one.After the CDC report, toxicologists in other countries started looking back through their own poison center data and found something unsettling: more patients with severe illness after eating morels, including cases of shock, gastrointestinal bleeding, and death. And it did not stop there.In Episode 6 of A Morel Dilemma, w
A Morel Dilemma Episode 6...Is Coming
A Morel Dilemma Episode 6...Is Coming Jul 1, 2026 02:33 Hey everyone, it’s Ryan.I know many of you are patiently waiting for Episode 6 of A Morel Dilemma, and it is coming next week. I genuinely cannot wait for you to hear this one.But it is actually available right now for supporter members. You can go to www.thepoisonlab.com/support and get every single episode right now for as little as $1 a month. And full disclosure, I only get about half of that.
A Morel Dilemma Preview: Supporting Member Bonus Episodes
A Morel Dilemma Preview: Supporting Member Bonus Episodes Jul 1, 2026 42:32 This preview features the opening conversations from two supporting member bonus episodes in The Poison Lab outbreak series.First, we head to Ontario, where a mass aconite poisoning unfolded after a restaurant spice was contaminated with one of the most dangerous plant toxins in the world. Then we travel to Australia, where the poppy seed supply was contaminated with thebaine, triggering seizures
A Morel Dilemma Bonus Radio Co-Broadcast:  Ryan Feldman on WTMJ Conversations — Morels, Mushroom Poisoning, and the Story Behind A Morel Dilemma
A Morel Dilemma Bonus Radio Co-Broadcast: Ryan Feldman on WTMJ Conversations — Morels, Mushroom Poisoning, and the Story Behind A Morel Dilemma Jun 28, 2026 36:55 In this bonus episode of A Morel Dilemma, Ryan shares his recent interview on WTMJ Conversations with Libby Collins.The conversation goes behind the scenes of the series and explores why Ryan spent two years investigating the 2023 Bozeman, Montana morel mushroom outbreak, one of the strangest poisoning outbreaks in recent history. Ryan discusses how the outbreak challenged long-held assumptions ab
A Morel Dilemma: Bonus  — The Bradford Hill Criteria & The Morel
A Morel Dilemma: Bonus — The Bradford Hill Criteria & The Morel Jun 24, 2026 34:10 In Episode 5, we put the morel mushroom on trial. This bonus episode shows how we built the case.Dr. Grant Comstock joins me for the full, unfiltered causation breakdown using the Bradford Hill criteria, a public health framework used to separate true causation from simple association. We walk through the CDC data step by step, looking at strength of association, timing, dose response, plausibilit
A Morel Dilemma: Episode 5 — Trial of the Morel
A Morel Dilemma: Episode 5 — Trial of the Morel Jun 24, 2026 53:39 The case against the morel mushroom is starting to come together, but there are still major problems. Not everyone who got sick ate morels, and not everyone who ate morels got sick. If the mushroom is really the culprit, those gaps have to be explained.In Episode 5 of A Morel Dilemma, we put the CDC data on trial with Dr. Grant Comstock and stress-test the evidence linking morels to the Bozeman ou
A Morel Dilemma: Episode 4 — A Familiar Shape
A Morel Dilemma: Episode 4 — A Familiar Shape Jun 17, 2026 33:53 When every obvious test comes back negative, investigators have to look for another way to prove what caused the outbreak. So this episode takes a step sideways, from Bozeman, Montana to a small mountain village in the French Alps, where researchers faced a different kind of mystery: a cluster of ALS cases with no clear cause.What they found there may help explain how scientists can link a mushroo
A Morel Dilemma: Bonus — Calling in The CDC
A Morel Dilemma: Bonus — Calling in The CDC Jun 14, 2026 20:43 In this bonus episode, we go deeper into the public health machinery behind a mass poisoning investigation.Dr. Michael Yeh, a medical toxicologist at the CDC’s National Center for Environmental Health, explains how the CDC gets pulled into unusual outbreaks, how poison centers and health departments help spot early signals, and what happens once a local cluster starts looking like something bigger
A Morel Dilemma: Episode 3 — Testing the Evidence
A Morel Dilemma: Episode 3 — Testing the Evidence Jun 10, 2026 33:53 With the restaurant closed and the first interviews underway, investigators bring in the CDC and FDA to help answer the question at the center of the outbreak: what actually made people sick?The leading suspect is still the morel mushroom, but proving that is not simple. The symptoms could fit bacterial food poisoning, spoiled fish, a chemical contaminant, a mislabeled spice, or even a toxic mushr

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