
Insights from recent episode analysis
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Insights are generated by CastFox AI using publicly available data, episode content, and proprietary models.
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Total monthly reach
Estimated from 38 chart positions in 38 markets.
By chart position
- 🇦🇺AU · Medicine#11M to 3M
- 🇨🇦CA · Medicine#12300K to 1M
- 🇬🇧GB · Medicine#7930K to 100K
- 🇺🇸US · Medicine#1925K to 30K
- 🇮🇳IN · Medicine#12100K to 300K
- Per-Episode Audience
Est. listeners per new episode within ~30 days
550K to 1.7M🎙 Daily cadence·250 episodes·Last published 3d ago - Monthly Reach
Unique listeners across all episodes (30 days)
1.8M to 5.7M🇦🇺52%🇨🇦17%🇮🇳5%+35 more - Active Followers
Loyal subscribers who consistently listen
733K to 2.3M
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* Data sourced directly from platform APIs and aggregated hourly across all major podcast directories.
On the show
From 12 epsHosts
Recent guests
Recent episodes
Is farting a sign your gut microbiome is happy?
Jun 9, 2026
Unknown duration
Still coughing — are you still infectious?
Jun 2, 2026
Unknown duration
Can your joints predict the weather?
May 26, 2026
Unknown duration
Should you get a full-body MRI?
May 19, 2026
Unknown duration
Deep dive on progressive exercise
May 12, 2026
Unknown duration
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| Date | Episode | Topics | Guests | Brands | Places | Keywords | Sponsor | Length | |
|---|---|---|---|---|---|---|---|---|---|
| 6/9/26 | ![]() Is farting a sign your gut microbiome is happy? | Everyone wants a healthy gut, and your microbiome plays a big role in keeping you well.So how do you know your microbiome is in top shape? Are there stinky signs that things are going right, or wrong?Norman and Tegan breeze through the research in this live recording at the World Science Festival Brisbane.References:The Invisible College of Experimental FlatologyExplainer: The chemistry of fartsA widespread hydrogenase supports fermentative growth of gut bacteria in healthy peopleIntestinal gas production by the gut microbiota: A reviewAssociation of the Gut Microbiota With Cognitive Function in Midlife Gut microbiome predicts cognitive function and depressive symptoms in late life The Relationship between Gut Microbiome and Cognition in Older Australians Chart Your Fart - CSIROIf you enjoyed this episode, check these out!Why is yawning contagious?Why are some people right (or left) handed? | — | ||||||
| 6/2/26 | ![]() Still coughing — are you still infectious? | Cold season is upon us, so it’s no wonder you’re side-eyeing that person coughing on the bus.But does a cough mean someone is still infectious? How do you know you’re in the clear to go back to work?Norman and Tegan talk through the science, and also how attitudes have changed since the COVID-19 pandemic.References:How Long Does a Cough Last? Comparing Patients’ Expectations With Data From a Systematic Review of the LiteratureAcute cough in outpatients: what causes it, how long does it last, and how severe is it for different viruses and bacteria? Estimating influenza latency and infectious period durations using viral excretion dataDuration of viral infectiousness and correlation with symptoms and diagnostic testing in non-hospitalized adults during acute SARS-CoV-2 infection: A longitudinal cohort studyHow the pandemic shaped presenteeism trends between healthcare and non-healthcare workers using the Korean working conditions surveys (2010–2023) Sickness Presenteeism in the Aftermath of COVID-19: Is Presenteeism Remote-Work Behavior the New (Ab)normal? Over‐the‐counter (OTC) medications for acute cough in children and adults in community settingsComprehensive evidence-based review on European antitussivesIf you enjoyed this episode, check these out!Is it OK to exercise when you're sick?Are office jobs ruining our bodies?Should you add snail slime to your skincare routine? | — | ||||||
| 5/26/26 | ![]() Can your joints predict the weather? | Have you heard the phrases, "aches and pain, coming rains" or about "ill health due to evil winds"? Many people believe they can feel a change in weather coming on because pain flares in their joints. Norman and Tegan unpack what could be going on, and whether it's backed by scientific evidence. References:Associations between weather conditions and osteoarthritis pain: a systematic review and meta-analysis Come rain or shine: Is weather a risk factor for musculoskeletal pain? A systematic review with meta-analysis of case-crossover studiesCloudy with a chance of pain: How the weather affects the pain of citizen scientists using a smartphone app Temperature extremes causing gout flare hospitalisationCan aching joints really predict the weather? Exploring the science behind the stormy debate What triggers weather-related joint pain? - Harvard HealthIf you enjoyed this episode, check these out!You'll catch your death! Does cold weather cause colds?Can consuming dairy really give you acne?How risky is sharing a toothbrush? | — | ||||||
| 5/19/26 | ![]() Should you get a full-body MRI? | It’s good to be on top of your health – but how far would you go to ensure you’re staying healthy?Ads have popped up for full-body MRIs, promising to catch things from cancer to aneurysms.Norman and Tegan scan through the potential benefits and risks of looking inside seemingly healthy bodies. References:Principles of screening - Cancer CouncilIncidental Findings and Low-Value CarePrevalence of abnormalities in knees detected by MRI in adults without knee osteoarthritis: population based observational study (Framingham Osteoarthritis Study)Whole‐body MRI for preventive health screening: A systematic review of the literatureThe effects of incidental findings from whole-body MRI on the frequency of biopsies and detected malignancies or benign conditions in a general population cohort studyClinical value of whole-body magnetic resonance imaging in health screening of general adult populationLong-Term Psychosocial Consequences of Whole-Body Magnetic Resonance Imaging and Reporting of Incidental Findings in a Population-Based Cohort Study Impact of whole-body MRI in a general population studyElective MRI Screening of the General Public—Buyer BewareIf you enjoyed this episode, check these out!At-home DNA tests — what can they tell you?Do glasses make your eyesight worse?Can functional mushrooms really help treat cancer? | — | ||||||
| 5/12/26 | ![]() Deep dive on progressive exercise | You might've heard the qualifier that exercise is good for you – but you need to be progressing that exercise over time.Running further, lifting heavier, exercising for longer. How important is it to up the stakes?Norman and Tegan flex their muscles on progressive training and its benefits.References:Thomas L. DeLorme and the Science of Progressive Resistance ExerciseAssociations of Muscle Mass and Strength with All-Cause Mortality among US Older AdultsSkeletal Muscle Strength as a Predictor of All-Cause Mortality in Healthy Men Progressive overload without progressing load? The effects of load or repetition progression on muscular adaptations Strength and Hypertrophy Adaptations Between Low- vs. High-Load Resistance Training: A Systematic Review and Meta-analysis Physical activity types, variety, and mortality: results from two prospective cohort studies If you enjoyed this episode, check these out!Working out? Why 'No Pain No Gain' is bullIs a vibration plate worth the cost?You'll catch your death! Does cold weather cause colds? | — | ||||||
| 5/11/26 | ![]() Hantavirus: what we know about the cruise ship outbreak | A cruise ship at the centre of a virus outbreak — sound familiar?Passengers and crew are beginning to disembark the MV Hondius after several cases of hantavirus sent them into quarantine. The virus is usually caught through contact with infected rodent urine, droppings or saliva. Transmission between humans is rare. Norman and Tegan answer common questions about the hantavirus, and how it compares to the handling of COVID-19. | — | ||||||
| 5/5/26 | ![]() Why is yawning contagious?✨ | yawningcontagious behavior+3 | — | World Science Festival Brisbane | — | yawningcontagious yawning+3 | — | 17m 00s | |
| 4/28/26 | ![]() Tonsils, appendix, gallbladder: is anything actually useless?✨ | vestigial organshuman anatomy+3 | — | JSTOR DailyABC News+1 | — | vestigial organstonsils+5 | — | 20m 00s | |
| 4/21/26 | ![]() Should you be eating more fruit?✨ | fruit consumptionhealth benefits+3 | — | Australian Bureau of StatisticsABC News+1 | — | fruitvegetables+5 | — | 20m 00s | |
| 4/14/26 | ![]() Red and other light therapy — can it work?✨ | light therapyskincare+4 | Tegan | Sweaty sauna bathing for better healthNear Infrared Photoimmunotherapy: A Review of Recent Progress and Their Target Molecules for Cancer Therapy+8 | — | light therapyskincare+5 | — | 18m 00s | |
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| 4/7/26 | ![]() Why are some people right (or left) handed?✨ | handednessambidextrous+3 | — | World Science Festival BrisbaneA large-scale population study of early life factors influencing left-handedness+6 | — | right-handedleft-handed+5 | — | 19m 00s | |
| 3/31/26 | ![]() Headaches: causes, cures and exercise?!✨ | headachesmigraine+4 | Tegan | The Science Behind Headaches: What's Really Happening In Your SkullThe vascular theory of migraine—a great story wrecked by the facts+5 | — | headachesmigraine+5 | — | 21m 00s | |
| 3/24/26 | ![]() Is a vibration plate worth the cost?✨ | vibration platespassive exercise+4 | — | Dr Gustav Zander | — | vibration platepassive exercise+5 | — | 23m 00s | |
| 3/17/26 | ![]() Should you add snail slime to your skincare routine?✨ | skincaresnail mucin+4 | Tegan | snail slimesnail mucin+12 | — | snail slimesnail mucin+5 | — | 20m 00s | |
| 3/10/26 | ![]() Could headphones be damaging our ears?✨ | headphoneshearing damage+3 | — | National Acoustic LaboratoriesUniversity of Melbourne+3 | — | headphoneshearing loss+3 | — | 22m 00s | |
| 3/3/26 | ![]() Vitamin C: can it cure colds and cancer?✨ | Vitamin Cimmune system+3 | — | Australian Institute of SportEatforHealth.gov.au | — | Vitamin Ccolds+4 | — | 19m 00s | |
| 2/24/26 | ![]() Can peptides keep you young and buff?✨ | peptidesmuscle growth+3 | Tegan | BPC-157melanotan+3 | — | peptidesBPC-157+4 | — | 23m 00s | |
| 2/17/26 | ![]() Can flossing benefit more than your teeth?✨ | flossingoral health+3 | — | NIHHarvard Health+1 | — | flossingoral health+5 | — | 20m 00s | |
| 2/10/26 | ![]() Doing nothing: the benefits of boredom | With endless entertainment at your fingertips on your phone, how often do you really sit and do absolutely nothing?It turns out that even when you’re staring into the middle distance, your brain is firing away with activity.Norman and Tegan explore why giving your brain a break might be important for learning and creativity.References:The Journey of the Default Mode Network: Development, Function, and Impact on Mental Health Default-mode brain dysfunction in mental disorders: A systematic review Just think: The challenges of the disengaged mind - Science The Importance of the Default Mode Network in Creativity—A Structural MRI Study The Importance of the Default Mode Network in Creativity—A Structural MRI Study People are increasingly bored in our digital ageIf you enjoyed this episode, check these out!What is the perfect nap duration?Can tattoos increase your risk of cancer?Why are people taping their mouths? | — | ||||||
| 2/3/26 | ![]() Should we all be taking fish oil? | How many times a week are you eating fish? What about oily fish, like salmon and tuna?Our dietary guidelines recommend the regular consumption of fish to potentially reduce the risk of cardiovascular disease, dementia and even macular degeneration.Norman and Tegan dig into the oily history of fish, and whether supplements can have the same effect.References:The Man with a Fish on His Back: In the late 19th century cod-liver oil was proclaimed the cure for many ailments"Fishing" for the origins of the "Eskimos and heart disease" story: facts or wishful thinking?Omega-3 Fatty Acids - National Institutes of HealthThe relationship between polyunsaturated fatty acids and inflammation: evidence from cohort and Mendelian randomization analysesOmega‐3 fatty acids for the primary and secondary prevention of cardiovascular diseaseRegular use of fish oil supplements and course of cardiovascular diseases: prospective cohort studyAssociations Between Plasma Omega-3 and Fish Oil Use With Risk of Atrial Fibrillation in the UK BiobankAssociations of fish oil supplementation with incident dementia: Evidence from the UK Biobank cohort studyOmega-3 Fatty Acids for the Management of Osteoarthritis: A Narrative Review Omega 3 fatty acids for preventing or slowing the progression of age‐related macular degenerationOmega-3 fatty acids for depression in adultsFish-Oil Supplementation and Cardiovascular Events in Patients Receiving HemodialysisIf you enjoyed this episode, check these out!Why is everyone suddenly talking about seed oils?Does magnesium work against muscle cramps?Why is the internet telling me to lower my cortisol? | — | ||||||
| 1/27/26 | ![]() Should you wait to swim after eating? | It’s so common to tell kids to wait an hour after eating to swim that many of us never question it.But what are the actual consequences of jumping straight back in the pool after you’ve had your lunch?Norman and Tegan tackle whether this advice is grounded in evidence, and discuss what you should actually avoid.References:Scouting for boys - 1908The International Lifesaving Federation medical position statement 2014 Effect of food consumption on 200-yard freestyle swim performanceThe National Drowning Report 2025 Monday’s medical myth: wait 30 minutes after eating before you swim – the Conversation If you enjoyed this episode, check these out!Does magnesium work against muscle cramps? Why do you feel so tired after a big meal?Is being an Olympian bad for your health? | — | ||||||
| 1/20/26 | ![]() Is retirement bad for you? | Last year Norman made the shocking statement that people shouldn’t retire because it’ll be bad for their brains.After an influx of requests, we’ve looked at the evidence not only when it comes to brain health, but heart health, metabolic health and mental wellbeing.Norman and Tegan unpack the complex story of what happens to your brain and body when you retire – depending on the job you had.References:How Retirement Was Invented: The earliest schemes for financial support in old age were pegged to life expectancy Towards higher retirement incomes for Australians: a history of the Australian retirement income system since Federation Impact of retirement transition on health, well-being and health behaviours: critical insights from an overview of reviews Effect of retirement on cognitive function: the Whitehall II cohort study Retirement or no Retirement? The Decision’s Effects on Cognitive Functioning, Well-Being, and Quality of LifeRisk of Cognitive Declines With Retirement: Who Declines and Why?The Impact of Retirement on Cardiovascular Disease and Its Risk Factors: A Systematic Review of Longitudinal StudiesRetirement and mental health: Analysis of the Australian national survey of mental health and well-beingThe Effects of Retirement on Sense of Purpose in Life: Crisis or Opportunity?The Role of Meaning in the Retirement Transition: Scoping ReviewLife after work: how we can support retirees – R U OK? If you enjoyed this episode, check these out!Is NAD+ a miracle anti-ageing supplement?At-home DNA tests — what can they tell you?How much protein do you REALLY need? | — | ||||||
| 1/13/26 | ![]() Diet vs exercise: which is more important? | A few weeks into the new year you might be reassessing your resolutions and wondering where to put your energy. Is it possible to choose between diet or exercise? Or are the two inherently intertwined?Norman and Tegan try to untangle the untangleable, pitting diet and exercise against one another in different arenas. References:The history of nutritional sciences Casimir Funk: The scientist who gave us the word 'vitamin' How the Seven Countries Study contributed to the definition and development of the Mediterranean diet concept: A 50-year journey Coronary Heart Disease and Physical Activity of WorkLong-term effectiveness of diet-plus-exercise interventions vs. diet-only interventions for weight loss: a meta-analysis Efficacy of dietary intervention or in combination with exercise on primary prevention of cardiovascular disease: A systematic review Diet or diet plus physical activity versus usual care in patients with newly diagnosed type 2 diabetes: the Early ACTID randomised controlled trial Trading off dietary choices, physical exercise and cardiovascular disease risks If you enjoyed this episode, check these out!Why Norman won't shut up about the Mediterranean dietWhy the carnivore diet is so riskyIs botox worth a shot? | — | ||||||
| 1/6/26 | ![]() Why you don't need to avoid seed oils | It can be hard to keep up with food fads and diet trends (and spoiler: you don’t need to).But an intriguing assumption that has gained traction recently is that seed oils – think canola, sunflower, grapeseed – are terrible for you.Norman and Tegan unpack how that assumption has spread, and whether there’s any solid evidence to back it up.References:Biomarkers of Dietary Omega-6 Fatty Acids and Incident Cardiovascular Disease and MortalitySerum n-6 polyunsaturated fatty acids and risk of death: the Kuopio Ischaemic Heart Disease Risk Factor StudyOmega-6 fats to prevent and treat heart and circulatory diseasesPolyunsaturated fatty acids intake and risk of all-cause mortality, cardiovascular disease, breast cancer, mental health, and type 2 diabetes: A systematic review and meta-analysis of prospective cohort studiesPerspective on the health effects of unsaturated fatty acids and commonly consumed plant oils high in unsaturated fatIf you’re worried about inflammation, stop stressing about seed oils and focus on the basics | — | ||||||
| 12/30/25 | ![]() Should you opt for aluminium-free deodorant? | We haven’t always suppressed our sweat or our natural body odour, but in many cultures now it’s expected we’ll all try to smell our best.You might be seeing more ads for ‘natural’ deodorants that promise to keep you fresh without any harmful ingredients.Norman and Tegan talk through those ingredients, and whether they carry any risks.This episode first aired on March 19, 2025. References:The specific biochemistry of human axilla odour formation viewed in an evolutionary contextUse of Aluminium in Antiperspirants - Australian Department of HealthAntiperspirants/Deodorants and Breast Cancer - National Cancer InstituteAntiperspirants - National Kidney FoundationHow Advertisers Convinced Americans They Smelled Bad - Smithsonian Magazine | — | ||||||
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48 placements across 38 markets.
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48 placements across 38 markets.

