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The Poison Lab

The Poison Lab

Clinical Toxicology LLC 80 Episodes Jul 1, 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

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 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 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 Jun 3, 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 Jun 3, 2026 55:00 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 Jun 3, 2026 35:14 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 Jun 3, 2026 23:07 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 Jun 3, 2026 35:14 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
A Morel Dilemma: Bonus — Who Treats Mushroom Poisoning Jun 3, 2026 03:31 Who actually treats mushroom poisoning?In this short mini episode, we answer a surprisingly important question: when someone gets sick after eating a mushroom, who do they call, and who helps the doctors figure out what to do next?We break down the role of poison centers, medical toxicologists, emergency clinicians, and why the most important number to remember is 1-800-222-1222.A Morel DilemmaSup
A Morel Dilemma: Bonus — Remembering poisonous mushrooms (GOTTA PICCEM) Jun 3, 2026 24:21 In this bonus episode, Dr. Rob Bassett from Philadelphia Poison Control walks us through one of the most useful teaching tools in mushroom toxicology: GOTTA PICCEM.This mnemonic organizes toxic mushrooms by their clinical syndromes and, most importantly, by the timing of symptom onset. That timing can be one of the biggest clues toxicologists use to decide whether a mushroom exposure is likely to
A Morel Dilemma: Bonus — Muscarine Poisoning Jun 3, 2026 09:53 This bonus episode takes a deeper look at the muscarine poisoning case discussed by Dr. Matthew Stanton. We break down how muscarine causes toxicity, why its symptoms can become life-threatening, and why its important for foragers to recognize so they can be treated.Select References:Dr. Stanton's case reportWisconsin Muscarine Case Series (Not yet available)A Morel DilemmaSupport the showReview t
A Morel Dilemma: Episode 2 — Investigations and Falsehoods Jun 3, 2026 43:55 As reports of severe illness and death come in, the Bozeman outbreak moves from medical mystery to full public health investigation. Local and state investigators race to identify the source, shut down the risk, interview patients, collect food samples, and figure out whether anyone else could still be in danger.The early signal points toward one unlikely ingredient: morel mushrooms. But for toxic

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