The Body of Evidence

Dr. Christopher Labos and guests use the body of evidence to go beyond science and medicine headlines and hype. All to help you develop your critical thinking skills so that when you google your symptoms, you won't believe you're going to die tomorrow. The Body of Evidence is your weekly dose of clarity on complex health topics and the often-sketchy medical information found online. Hosted by cardiologist Dr. Christopher Labos and featuring a rotating cast of co-hosts and guests, this podcast brings you engaging interviews, original reporting, and humour-filled commentaries to help you navigate the world of medicine. Episodes tackle everything from debunking misinformation to exploring the reality of certain conditions to the effectiveness of social media medical trends. With an extensive archive dating back to 2015,The Body of Evidence is your go-to source for understanding science and medicine and developing critical thinking about your health.

164 - 2025 Year End Wrap Up - Part 1

It's Part 1 of our end-of-year wrap up. Chris, Sophie, Robyn (behind the camera), and Tobi (wandering around) all join in to answer a potpourri of viewer questions. Also a video bonus for our Patreon members.

12-17
35:46

163 – Do high heels cause bunions?

Hallux valgus (bunions) are more common in women than men and high heeled shoes are often blamed. But how much of the problem is environment and how much genetics?   Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE   Email us your questions at thebodyofevidence@gmail.com.   Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer   Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. References: Bunions in unshod populations: https://pubmed.ncbi.nlm.nih.gov/13587573/ Prevalence of bunions in the general population: https://pubmed.ncbi.nlm.nih.gov/20868524/ The 2004 Cochrane review on conservative therapies to treat bunions: https://pubmed.ncbi.nlm.nih.gov/20868524/ More recent data on conservatie therapies to treat bunions: https://pubmed.ncbi.nlm.nih.gov/34408037/ The 2024 Cochrane review on surgery to treat bunions: https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD013726.pub2/full

12-10
34:25

162 – Mercury in your mouth

The global community has agreed to end the use of mercury in dental fillings. But is mercury in your mouth really dangerous and where else is mercury being used in the world?  Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE   Email us your questions at thebodyofevidence@gmail.com.   Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer   Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. References: Minamata Convention COP-6 conference https://minamataconvention.org/en/news/minamata-convention-cop-6-agrees-end-use-dental-amalgam-2034-marking-historic-milestone WHO 1991 report on inorganic mercury: https://www.inchem.org/documents/ehc/ehc/ehc118.htm#PartNumber:1 Health Canada's 1996 report on mercury:  https://www.canada.ca/en/health-canada/services/drugs-health-products/reports-publications/medical-devices/safety-dental-amalgam-health-canada-1996.html

12-03
32:18

157 – Case Challenge

Two new medical mysteries for Chris and Aigul to unpack. Why did this 44-year-old woman with Chron's disease develop a rash and why did a teenage cyclist with double vision develop an unstable gait?   Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE   Email us your questions at thebodyofevidence@gmail.com.   Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer   Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. Links to the cases: https://reference.medscape.com/viewarticle/unresolved-rash-44-year-old-woman-crohns-disease-2025a1000q3g  https://reference.medscape.com/viewarticle/teenaged-cyclist-double-vision-and-unsteady-gait-2025a1000pqf  

10-29
54:08

155 – Using Artificial Intelligence to teach critical thinking

Jevin West joins Chris to talk about teaching critical thinking and whether AI is a force for good or a force for evil. Both of them have passed the Turing Test so all fellow humans are welcome.   Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE   Email us your questions at thebodyofevidence@gmail.com.   Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer   Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. References: 1) Red Pen Reviews: https://www.redpenreviews.org  

10-08
42:46

153 - Saunas - are the health benefits real?

Nick Tiller returns to discuss whether saunas actually have health benefits and possibly completely contradict himself after his previous episode about ice baths. We dig into the data from Kuopio and the Finnish Kuopio Ischemic Heart Disease Risk Factor study and investigate whether there might be some risks associated with saunas.   Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE   Email us your questions at thebodyofevidence@gmail.com.   Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer   Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. References: 1) Nick's Skeptical Inquirer article on the subject of saunas: https://skepticalinquirer.org/exclusive/are-saunas-good-for-you-yes-but/   2) The study purporting to show a 60% benefit in cardiovascular risk https://www.tandfonline.com/doi/10.1080/07853890.2017.1387927#d1e290   3) A scientific review of the health benefits of sauns from the same authors: https://www.sciencedirect.com/science/article/pii/S0025619623000083   4) One of the few RCTs on the issue although it only uses surrogate endpoints: https://journals.physiology.org/doi/full/10.1152/japplphysiol.00322.2023  

09-24
36:14

152 – Why RFK Jr. is wrong to claim that Tylenol causes autism

EPISODE 152 – Why RFK Jr. is wrong to claim that Tylenol causes autism. According to the Wall Street Journal, RFK Jr. and the HHS are planning to release a report claiming acetaminophen (Tylenol/paracetamol) is inked to autism spectrum disorder. The evidence says he's wrong. Not just because the better quality studies show no link, not just because autism is probably mostly genetic with some minor environmental factors impacting its prevalence, but also because the alternatives to Tylenol for pain/fever control are much worse.   Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE Email us your questions at thebodyofevidence@gmail.com. Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. References: 1)    The Wall Street Journal article:  https://www.wsj.com/health/healthcare/rfk-jr-hhs-to-link-autism-to-tylenol-use-in-pregnancy-and-folate-deficiencies-e3acbb4c 2)    Chris article in the Montreal Gazette: https://www.montrealgazette.com/opinion/columnists/article1154467.html 3)    The safety warning about NSAIDs in pregnancy: https://www.fda.gov/safety/medical-product-safety-information/nonsteroidal-anti-inflammatory-drugs-nsaids-drug-safety-communication-avoid-use-nsaids-pregnancy-20 4)    The 2024 Swedish study that used sibling controls: https://jamanetwork.com/journals/jama/fullarticle/2817406 5)    Data showing the roughly 3:1 preponderance of males vs. females with autism https://pubmed.ncbi.nlm.nih.gov/34855727/ 6)    Some of the environmental factors that may affect autism spectrum disorder https://pubmed.ncbi.nlm.nih.gov/21746727/

09-17
34:23

151 – Scrambler Therapy: how good is it at treating chronic pain

A viewer question prompts Chris and Sophie to look into scrambler therapy. A medical therapy for chronic pain with a silly name that sounds like it should be pseudoscience, but actually isn't. How is it different from Transcutaneous Electrical Nerve Stimulation (TENS)? How good is the evidence and how much of the benefit is actually a placebo response.   Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE  Email us your questions at thebodyofevidence@gmail.com.  Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information.  References: 1)    2016 review of scrambler therapy for chronic pain https://doi.org/10.1007/s00520-016-3177-3 2)    2018 update https://doi.org/10.1177/1534735419845143 Key studies: Sabato (2005) – 226 patients: 80% had >50% pain reduction Marineo (2011) – RCT: 91% pain reduction in Scrambler group vs. 28% in controls Ricci (2012) – 82 patients: Mean pain scores dropped from 6.2/10 prior to treatment to 1.6 just after completing 10 treatment days to 2.9, 2 weeks after finishing treatment. Compagnone (2015) – 201 patients: pain went from 7.41 to 1.6 Notaro (2015) – All patients had ≥50% pain reduction; relief lasted ~8 weeks; sleep improved Pachman (2014) – 37 patients: 53% average pain reduction; effect lasted 10 weeks One 'no results' study:  Campbell (2013) – 14 patients, RCT with sham control; no improvement—but team lacked experience, which may have skewed results.

09-10
41:02

150 – How Scientific Skepticism Makes us More Empathetic

Rodney Schmaltz joins Chris to talk about teaching scientific skepticism to university students. How does learning about Big Foot, debunking photos of fairies, and going on a ghost hunt make you better at debunking pseudoscience? Also, how to speak to believers in pseudoscience without making the other person hate you.   Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE   Email us your questions at thebodyofevidence@gmail.com.   Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer   Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. References: 1) Rodney's website that also hosts his Tedx talk: https://www.rodneyschmaltz.com/ 2) The Lilienfeld Alliance: https://sites.google.com/view/lilienfeldalliance/lilicon-2026?authuser=0

09-03
39:42

149 – Leaky Gut Syndrome

Leaky Gut Syndrome. Always a favorite of the pseudoscience crowd. But is there any medical validity to the concept. Chris and Sophie look deep into the concept to find out if the diagnosis of Leaky Gut holds water or is just full of holes. Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE Email us your questions at thebodyofevidence@gmail.com. Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information.

08-27
32:20

148 – Transcranial Magnetic Stimulation

The opening of a new private clinic spurs Chris and Sophie to ask whether Transcranial Magnetic Stimulation (TMS) is real medicine or pseudoscience. How does a magnetic field stimulate the brain and how is this different from electric convulsive therapy (ECT)? Also, a brief digression on One Flew Over the Cuckoo's Nest and other classic movies Sophie has never seen.   Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE   Email us your questions at thebodyofevidence@gmail.com.   Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer   Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. References: 1) A study on the efficacy of ECT  by Slade et al. http://jamanetwork.com/article.aspx?doi=10.1001/jamapsychiatry.2017.1378 2) The accompany editorial on modern ECT use: Modern Electroconvulsive Therapy Vastly Improved yet Greatly Underused https://jamanetwork.com/journals/jamapsychiatry/fullarticle/2633172 3) A study on the safety of ECT: Lancet Psychiatry study 2021 https://doi.org/10.1016/s2215-0366(21)00168-1 4) Consensus statement on the use of Transcranial Magnetic stimulation (TMS)  https://doi.org/10.4088/jcp.16cs10905 5) Network meta-analysis comparing different TMS modalities https://doi.org/10.1001/jamapsychiatry.2016.3644 6) The durability of response after TMS treatment: https://doi.org/10.1016/j.brs.2018.10.001 7) RCT comparing ECT and TMS and showing ECT is more effective:  https://pubmed.ncbi.nlm.nih.gov/17202547/ 8) The older cochrane review from 2002 suggesting little benefit: https://doi.org/10.1002/14651858.CD003493

08-20
46:12

147 – Genetic Testing

How does genetic testing help doctors treat patients? How accurate are private companies like 23andMe? Does knowing your genetic risk help people lead healthier lives or is it just a waste of time and money? Sophie had a bunch of questions about how genetic testing is used in everyday medical practice and Chris was here to answer!   Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE   Email us your questions at thebodyofevidence@gmail.com.   Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer   Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. References: Studies evaluating the accuracy of Direct to Consumer genetic testing companies: Ng PC, Murray SS, Levy S, Venter JC. An agenda for personalized medicine. Nature. 2009 Oct 8;461(7265):724-6. doi: 10.1038/461724a. PMID: 19812653. Imai K, Kricka LJ, Fortina P. Concordance study of 3 direct-to-consumer genetic-testing services. Clin Chem. 2011 Mar;57(3):518-21. doi: 10.1373/clinchem.2010.158220.  Studies looking at how knowing the results of genetic testing affect medical treatment and lifestyle factors. Mega JL, et al. Genetic risk, coronary heart disease events, and the clinical benefit of statin therapy: an analysis of primary and secondary prevention trials. Lancet. 2015 Jun 6;385(9984):2264-2271. doi: 10.1016/S0140-6736(14)61730-X Khera AV, Emdin CA, Drake I, Natarajan P, Bick AG, Cook NR, Chasman DI, Baber U, Mehran R, Rader DJ, Fuster V, Boerwinkle E, Melander O, Orho-Melander M, Ridker PM, Kathiresan S. Genetic Risk, Adherence to a Healthy Lifestyle, and Coronary Disease. N Engl J Med. 2016 Dec 15;375(24):2349-2358. doi: 10.1056/NEJMoa1605086.  The Cochrane review and MI-GENES study which showed that genetic information did not change lifestyle behavior Hollands GJ, French DP, Griffin SJ, Prevost AT, Sutton S, King S, Marteau TM. The impact of communicating genetic risks of disease on risk-reducing health behaviour: systematic review with meta-analysis. BMJ. 2016 Mar 15;352:i1102. doi: 10.1136/bmj.i1102.  Kullo IJ, et al. Incorporating a Genetic Risk Score Into Coronary Heart Disease Risk Estimates: Effect on Low-Density Lipoprotein Cholesterol Levels (the MI-GENES Clinical Trial). Circulation. 2016 Mar 22;133(12):1181-8. doi: 10.1161/CIRCULATIONAHA.115.020109  

08-13
40:31

146 – Radon – the invisible houseguest

Chris and Sophie tackle Radon, the odorless, colorless, tasteless and very toxic gas that is present in about 1 in 5 homes. Why do we care? How do you test for it? What should do about it? And why don't we talk about it more? Also Sophie's mind gets blown by a Patron question. Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE   Email us your questions at thebodyofevidence@gmail.com. Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer  Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information. References: 1)     The 2024 Cross-Canada Radon Survey: https://crosscanadaradon.ca/survey/ 2)     How Radon gets in your home: https://www.quebec.ca/en/housing-territory/healthy-living-environment/residential-radon 3)     Where to order valid Radon tests: http://takeactiononradon.ca 4)     Distribution of Radon geographically across Canada and the US: https://www.epa.gov/radon/epa-map-radon-zones-0  https://ici.radio-canada.ca/nouvelle/1655364/gaz-radon-normes-quebec-canada 5)     Cochrane review on balneotherapy: https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD000518.pub2/full?contentLanguage=en

08-06
54:13

145 – Case Challenge: rare and common cardiac conditions

EPISODE 145 – Case Challenge: rare and common cardiac conditions Aigul returns with two new case challenges. The first is a very rare cardiac condition that Chris actually picked up on his first day of work (and made him a superstar for about a week). The other is a very common problem that highlights how difficult medical diagnosis can be in real life.  Become a supporter of our show today either on Patreon or through PayPal! Thank you! http://www.patreon.com/thebodyofevidence/ https://www.paypal.com/donate?hosted_button_id=9QZET78JZWCZE Email us your questions at thebodyofevidence@gmail.com. Editor:    Robyn Flynn Theme music: "Fall of the Ocean Queen" by Joseph Hackl Rod of Asclepius designed by Kamil J. Przybos Chris' book, Does Coffee Cause Cancer?: https://ecwpress.com/products/does-coffee-cause-cancer  Obviously, Chris is not your doctor (probably). This podcast is not medical advice for you; it is what we call information.

07-30
39:02

Happy⚛️Heretic

An excellent, informative podcast!

07-12 Reply

Alex Murdoch

"Diagnosed" as "hyper" by my teachers in the mid 70's, I was put on Ritalin. That lasted about 9 months when my parents took me off. Wild mood swings and little or no improvement in attention span.

09-08 Reply

Alex Murdoch

After arguing with the maker of Mozi-Q, homeopathic insect repellent, I was delighted to see Marketplace take on the claims. The host even put her arms to the test and suffered hundreds of mosquito bites in the name of science.

08-04 Reply

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