Liar, Liar, Gut on Fire: Wellness’s Obsession with Inflammation

Unbiased Science

@unbiasedscipod

Education, Science, Health & Fitness

4.4 • 644 Ratings

🗓️ 11 February 2026

⏱️ 36 minutes

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Summary

In this episode, Jess welcomes Dr. Liz Marnik and Dr. Irini Hadjisavva to explore the multifaceted nature of inflammation and its impact on health. The scientists distinguish between beneficial and harmful inflammatory responses while addressing the challenges of accurately measuring inflammation in clinical settings. They examine common misconceptions surrounding gut health, including the pitfalls of direct-to-consumer microbiome tests and the myth of leaky gut syndrome. The conversation also addresses dietary approaches to supporting gut health and discusses the concerning rise in colorectal cancer rates among younger adults. Throughout the episode, the experts emphasize evidence-based approaches to understanding inflammation while concluding with an encouraging message about the importance of community support in navigating complex health challenges. Watch the conversation on YouTube: https://youtu.be/kSFesWsw-NU (00:00) Intro & Public Health Update (05:33) What's A Health/Science News Item That Caught Your Attention? (07:25) What Is Inflammation Actually? (10:26) Is Inflammation Something We Can Measure? (14:16) Are Microbiome Tests Accurate? (16:56) Are There Dietary Approaches To Support Gut Health? (21:30) Inflammation And Autoimmune Diseases (24:18) Is Leaky Gut Real? (29:12) The Rise In Colorectal Cancer (33:14) What's Giving You Hope In Public Health And Science Right Now? https://www.instagram.com/sciencewhizliz/ https://www.instagram.com/thosenerdygirls https://www.instagram.com/dririnih/ https://fromthescienceclass.substack.com/ https://thosenerdygirls.substack.com/ ----------------------------------------------------------------------------------------------------------------------- Interested in advertising with us? Please reach out to advertising@airwavemedia.com, with “Unbiased Science” in the subject line. PLEASE NOTE: The discussion and information provided in this podcast are for general educational, scientific, and informational purposes only and are not intended as, and should not be treated as, medical or other professional advice for any particular individual or individuals. Every person and medical issue is different, and diagnosis and treatment requires consideration of specific facts often unique to the individual. As such, the information contained in this podcast should not be used as a substitute for consultation with and/or treatment by a doctor or other medical professional. If you are experiencing any medical issue or have any medical concern, you should consult with a doctor or other medical professional. Further, due to the inherent limitations of a podcast such as this as well as ongoing scientific developments, we do not guarantee the completeness or accuracy of the information or analysis provided in this podcast, although, of course we always endeavor to provide comprehensive information and analysis. In no event may Unbiased Science or any of the participants in this podcast be held liable to the listener or anyone else for any decision allegedly made or action allegedly taken or not taken allegedly in reliance on the discussion or information in this podcast or for any damages allegedly resulting from such reliance. The information provided herein do not represent the views of our employers.

Transcript

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0:00.0	You're listening to an Airwave Media podcast.
0:20.4	Welcome to Unbiased Science, where we bring scientific method to the madness.
0:26.1	I'm your host, Dr. Jess Steyer.
0:28.6	You may notice that my co-host, Dr. Sarah Scheinman, is not here today.
0:33.5	She could not join us.
0:34.8	She'll be back next week.
0:36.2	But I am joined by two very, very special guests,
0:41.7	who I'll introduce in just one moment to talk about inflammation. Inflammation is the term
0:50.8	du jour. I feel like it's been, I don't know what, of year or I got to say that in French,
0:56.9	but it's been around for a little while.
1:00.0	And while it is a very real thing, unfortunately the term has been hijacked and distorted
1:06.9	to mean something that it doesn't mean and to sell a lot of unnecessary products.
1:12.0	So we're going to get into that today.
1:15.0	So my two amazing hosts that are joining me today are Dr. Elizabeth Liz Marnik and Dr.
1:24.0	Irini Hajisava.
1:25.6	So let me read these very impressive bios for a second. So Dr. Liz
1:30.1	Marnik is an immunologist and science communicator working at the intersection of public trust,
1:37.5	science, and public health, trained in genetics and immunology at Tufts University and shaped by
1:43.4	growing up in a family that distrusted
1:45.7	science and vaccines. She launched Science Wiz Liz during the COVID pandemic to help people
1:52.2	navigate health information with clarity and empathy. She now is the executive director of
1:59.5	the Evidence Collective and Chief Scientific Officer of
	...

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