Avsnitt
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When you're going through a stressful time it can have knock-on effects on your routine.Sleep, diet, exercise routines can be thrown out of whack. And when that stress does for weeks or months, it can have a serious impact.Norman and Tegan unpack the various forms of chronic stress, like burnout, and how they can disrupt your health.References:Chronic Stress - ScienceDirectPhysiology, Stress ReactionThe impact of stress on body function: A reviewStressor-Specific Microbiota InterventionStress and the gastrointestinal tractB cells and the stressed brain: emerging evidence of neuroimmune interactions in the context of psychosocial stress and major depressionStress, depression, the immune system, and cancerThe effect of multiple adverse childhood experiences on health: a systematic review and meta-analysis11 healthy ways to handle life’s stressors - American Psychological AssociationStress-related conditions such as adjustment disorder and clinical burnout can be effectively treated with a 12-week cognitive behavioural programme, both when delivered as a face-to-face treatment and when delivered via the internet If you enjoyed this episode, check these out!Why is the internet telling me to lower my cortisol?Are office jobs ruining our bodies? Learn more about your ad choices. Visit megaphone.fm/adchoices
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Sea sickness, car sickness, space sickness – when it comes down to it, it’s all the same.But not everybody suffers the same. Some people are even lucky enough to grow out of motion sickness.Norman and Tegan talk about what’s going on when the world goes topsy-turvy, and what you can do about it.References:Motion SicknessValidating sensory conflict theory and mitigating motion sickness in humans with galvanic vestibular stimulation - NatureAre evolutionary hypotheses for motion sickness "just-so" stories?Three studies of motion sickness susceptibility – Federal Aviation Authority Genetic variants associated with motion sickness point to roles for inner ear development, neurological processes and glucose homeostasisMotion sickness diagnostic criteria: Consensus Document of the Classification Committee of the Bárány Society Survey of motion sickness susceptibility in children and adolescents aged 3 months to 18 years Hopkins History Moments: Neil A. Grauer explains how Hopkins expertise helped prevent seasickness Remedies for motion sickness: What works? - Harvard Health If you enjoyed this episode, check these out!Why is yawning contagious?Do glasses make your eyesight worse?Is emu oil the new snake oil? Learn more about your ad choices. Visit megaphone.fm/adchoices
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Saknas det avsnitt?
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Lately there have been lots of scary headlines about cancer rates rising in younger adults.What can you do to drive down your cancer risk?Norman and Tegan offer some practical tips, and discuss what's in your control versus what isn't.References:Overview of cancer in Australia, 2025 - Australian Institute of Health and WelfareEffects of diets on risks of cancer and the mediating role of metabolites Be physically active – Cancer Council Exercise packs a punch in fending off cancer – the Health Report“You do not get cancer by chance”: Communicating the role of environmental causes in cancer diseases and the risk of a “guilt rhetoric” If you enjoyed this episode, check these out!How worried should you be about microplastics?Is your (artificial) sweet tooth killing you?What's so bad about fine particulate air pollution? Learn more about your ad choices. Visit megaphone.fm/adchoices
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Our calcium needs can increase as we age, especially for women going through menopause.
Most Australians aren’t getting enough calcium from their diet, so are supplements a good option
Norman and Tegan discuss the conflicting evidence on calcium – in particular, could it be good for your bones, but bad for your heart?
References:
Calcium supplements have 'very little place' in modern medicine - the Health Report
Nutrient Reference Values - Calcium
Effect of age on calcium absorption in postmenopausal women
Biochemical Variables in Pre- and Postmenopausal Women: Reconciling the Calcium and Estrogen Hypotheses
Calcium Content of Common Foods - Healthy Bones Australia
Choosing a calcium supplement: What you should know about taking calcium to boost your nutrients
Calcium Supplements and Risk of Cardiovascular Disease: A Meta-Analysis of Clinical Trials
Association Between Calcium Supplementation and the Risk of Cardiovascular Disease and Stroke: A Systematic Review and Meta-Analysis
Association Between Calcium Supplementation and Recurrence of Cardiovascular Events in Patients With Cardiovascular Disease: A Population‐Based Cohort Study
Calcium Intake From Diet and Supplements and the Risk of Coronary Artery Calcification and its Progression Among Older Adults: 10‐Year Follow‐up of the Multi‐Ethnic Study of Atherosclerosis (MESA)
Oral Calcium Supplements Associate With Serial Coronary Calcification: Insights From Intravascular Ultrasound
If you enjoyed this episode, check these out!
Multivitamins: Are they a scam?
Don’t Die: Is Bryan Johnson going to live forever?
Can peptides keep you young and buff?
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There's a scene in the Devil Wears Prada 2 where a character is so stressed she starts "tapping" to calm herself down.What is this self-soothing technique, and should you try it out?Norman and Tegan talk through what Emotional Freedom Techniques, or tapping is and whether there's any evidence it lowers anxiety.References:How ‘tapping’ is dividing opinion in therapy circlesClinical EFT (Emotional Freedom Techniques) Improves Multiple Physiological Markers of HealthNeural changes after Emotional Freedom Techniques treatment for chronic pain sufferersEmotional freedom techniques for treating post traumatic stress disorder: an updated systematic review and meta-analysis Commentary: Emotional freedom techniques for treating post traumatic stress disorder: an updated systematic review and meta-analysisA Randomized Controlled Comparison of Emotional Freedom Technique and Cognitive-Behavioral Therapy to Reduce Adolescent Anxiety: A Pilot StudyFood for Thought: A Randomised Controlled Trial of Emotional Freedom Techniques and Cognitive Behavioural Therapy in the Treatment of Food CravingsThe impact of emotional freedom techniques on anxiety, depression, and anticipatory grief in people with cancer: A meta-analysis and systematic review If you enjoyed this episode, check these out!Can you train yourself to sleep less?Why everything hurts when you turn 30MSG's messy myths and racist tropes Learn more about your ad choices. Visit megaphone.fm/adchoices
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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? Learn more about your ad choices. Visit megaphone.fm/adchoices
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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? Learn more about your ad choices. Visit megaphone.fm/adchoices
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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? Learn more about your ad choices. Visit megaphone.fm/adchoices
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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? Learn more about your ad choices. Visit megaphone.fm/adchoices
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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? Learn more about your ad choices. Visit megaphone.fm/adchoices
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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. Learn more about your ad choices. Visit megaphone.fm/adchoices
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It’s easy to catch a yawn – you might even yawn while you’re reading this.It’s not just humans that yawn, but all kinds of verterbrates, even fish! But contagious yawning is rarer.Norman and Tegan unpack why we yawn in this live recording at the World Science Festival Brisbane.References:Yawning: no effect of 3-5% CO2, 100% O2, and exercise Brain size and neuron numbers drive differences in yawn duration across mammals and birds Excessive yawning and thermoregulation: two case histories of chronic, debilitating bouts of yawningDifferent yawns, different functions? Testing social hypotheses on spontaneous yawning in Theropithecus geladaWhy yawns are contagious—in all kinds of animals: Evolutionary biologist Andrew Gallup explains why we yawn after others Mirror neuron activity during contagious yawning—an fMRI study The mirror-neuron system If you enjoyed this episode, check these out!Why are some people right (or left) handed?Can consuming dairy really give you acne?Is daylight saving time bad for us? Learn more about your ad choices. Visit megaphone.fm/adchoices
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You might know them as "vestigial" organs, but we no longer overlook organs that aren’t vital for life.While they can be removed, your tonsils, appendix and gallbladder play important roles in the body.Norman and Tegan define what "vestigial" actually means, and how our bodies adapt to losing an organ.References:How Do We Know What Human Organs Do? - JSTOR Daily Tonsils, adenoids and throat infections — do doctors still recommend surgery? - ABC NewsAssociation of Long-Term Risk of Respiratory, Allergic, and Infectious Diseases With Removal of Adenoids and Tonsils in Childhood Influence of Tonsillectomy on Various Disease Outcomes: An Outcome-wide Association Analysis and Mendelian Randomization AnalysisCytokine production in patients with recurrent acute tonsillitis: analysis of tonsil samples and blood - PMC Association of Long-Term Risk of Respiratory, Allergic, and Infectious Diseases With Removal of Adenoids and Tonsils in Childhood - PMC Microbial Composition of Human Appendices from Patients following Appendectomy Long-term impacts of appendectomy associated with increased incidence of inflammatory bowel disease, infection, and colorectal cancerCholecystectomy (Gallbladder Removal)If you enjoyed this episode, check these out!Why do we have wisdom teeth? Can peptides keep you young and buff?Is it OK to exercise when you're sick? Learn more about your ad choices. Visit megaphone.fm/adchoices
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Not a fruit lover, but eat plenty of veggies? Ever wondered if skipping that banana might actually matter?We all know a mix of fruit and vegetables is key to a long, healthy life.Norman and Tegan dig into whether eating little or no fruit could actually be bad for you.References:What exactly is a tomato? The difference between fruit and veg - ABC NewsKey statistics and data about child and adult consumption of fruit and vegetables - Australian Bureau of StatisticsFresh fruit consumption and all-cause and cause-specific mortality: findings from the China Kadoorie Biobank Fruit consumption and risk of type 2 diabetes: results from three prospective longitudinal cohort studies Fruit and Vegetable Intake and Mortality: Results from Two Prospective Cohort Studies of US Men and Women and a Meta-Analysis of 26 Cohort Studies The global burden of disease attributable to suboptimal fruit and vegetable intake, 1990-2021: a systematic analysis of the global burden of disease study Fruit and vegetable consumption and all-cause mortality: evidence from a large Australian cohort study A basket of new fruit varieties is coming your way – The Economist Releasing a sugar brake generates sweeter tomato without yield penaltyIf you enjoyed this episode, check these out!What's the best time of day to exercise?Is whitening your teeth bad for you?What are the health benefits of coffee? Learn more about your ad choices. Visit megaphone.fm/adchoices
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If you’re into skincare, you’ve probably been advertised light therapy face masks.These high-tech hockey masks promise to plump up or heal your skin through light – often red, but sometimes yellow, green, blue or even purple.Norman and Tegan go through the rainbow to assess where there's evidence, and where there's not.References:Sweaty sauna bathing for better health - What's That Rash?Near Infrared Photoimmunotherapy: A Review of Recent Progress and Their Target Molecules for Cancer TherapyEffect of NASA Light-Emitting Diode Irradiation on Wound HealingVisible Red Light Emitting Diode Photobiomodulation for Skin Fibrosis: Key Molecular PathwaysUtilization of light-emitting diodes for skin therapy: Systematic review and meta-analysisPhotodynamic Therapy Using HMME for Port-Wine Stains: Clinical Effectiveness and Sonographic AppearanceEffect of Blue Light on Acne Vulgaris: A Systematic ReviewThe efficacy of violet light in the treatment of acneFeatured review: What are the benefits and risks of light therapy for treating atopic eczema?Light therapy for preventing seasonal affective disorderThis episode first aired on December 18, 2024. Learn more about your ad choices. Visit megaphone.fm/adchoices
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What determines whether you’re right or left handed? Is there really such a thing as being ambidextrous?It’s a surprisingly complicated story, and culture comes into play – some people are forced to go against their dominant hand.Norman and Tegan parse through the history of handedness in this live recording at the World Science Festival Brisbane.References:A large-scale population study of early life factors influencing left-handedness The handedness of Kerrs and CarrsThe association between switching hand preference and the declining prevalence of left-handedness with ageStuttering and “Retraining” Left-Handed Children in Mid-Century U.S. Can training to become ambidextrous improve brain function? Brain Size Associated with Foot Preferences in Australian Parrots The Influence of Handedness on the Clinical Presentation and Neuropsychology of Alzheimer DiseaseIf you enjoyed this episode, check these out!Can sudoku really keep your brain younger for longer?Should you train cardio and strength on the same day?The four steps you need to form a habit Learn more about your ad choices. Visit megaphone.fm/adchoices
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Headaches are common, but the causes are wide and varied, and some are more serious than others. Why do we get headaches? What's the difference between a headache and a migraine?Norman and Tegan talk through some basics about headaches, and why a round of squats might help...References:The Science Behind Headaches: What's Really Happening In Your Skull The vascular theory of migraine—a great story wrecked by the factsTwelve-month efficacy of CGRP monoclonal antibodies and predictive value of short-term response: results of an Australian multicentre study Trial of Galcanezumab in Prevention of Episodic Cluster HeadacheErenumab for Chronic Cluster Headache: A Randomized Clinical TrialEffect of Exercise on Chronic Tension-Type Headache and Chronic Migraine: A Systematic ReviewThe effect of different exercise types on migraine frequency in individuals with migraine: A pilot studyIf you enjoyed this episode, check these out!Am I addicted to caffeine?Is emu oil the new snake oil?There's a lot of fog around brain fog Learn more about your ad choices. Visit megaphone.fm/adchoices
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We've all probably wished for a way to achieve our fitness goals without the strain and sweat that can come with exercise.So what if you could lose weight, gain muscle and improve circulation just by standing on a vibrating platform?Norman and Tegan buzz through the evidence for and against vibration plates and so called "passive exercise".References:Dr Gustav Zander’s Victorian-Era Exercise Machines Made the Bowflex Look Like Child’s PlayThe effects of whole body vibration therapy on reducing fat mass in the adult general population: A systematic review and meta-analyses Whole-body vibration administered during a 3-week in-hospital multidisciplinary body weight reduction program increases resting energy expenditure in obese adolescents, a randomized clinical trial Immediate effects of localized vibration on flexibility: A randomized crossover trial Effects of whole body vibration with exercise therapy versus exercise therapy alone on flexibility, vertical jump height, agility and pain in athletes with patellofemoral pain: a randomized clinical trial Whole Body Vibration as an Adjunct to Static StretchingWhole-Body Vibration Stimulates Microvascular Blood Flow in Skeletal Muscle Whole body vibration training improves leg blood flow and adiposity in patients with type 2 diabetes mellitus Effects of Whole-Body Vibration Training on Lower Limb Blood Flow in Children with Myelomeningocele—A Randomized Trial Effect of localised vibration on muscle strength in healthy adults: a systematic review Whole-body vibration training improves muscle mass and strength in older adults through intra- and extra-muscular pathways The effect of whole body vibration training on quadriceps voluntary activation level of people with age-related muscle loss (sarcopenia): a randomized pilot study Hormonal responses to a single session of wholebody vibration exercise in older individualsHormonal and Metabolic Responses to Whole Body Vibration in Healthy Adults Low-frequency vibrotherapy considerably improves the effectiveness of manual lymphatic drainage (MLD) in patients with lipedema: A two-armed, randomized, controlled pragmatic trial Efficacy of whole body vibration exercise in older people: a systematic review If you enjoyed this episode, check these out!Can you zap yourself buff with electrical muscle stimulation?Do the benefits of creatine go beyond the gym?Do healthy people need lymphatic treatments? Learn more about your ad choices. Visit megaphone.fm/adchoices
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Snail slime, or snail mucin, has become a popular product in skin care.Some claim it has anti-ageing properties, but if the early research shakes out, snail mucus could have even more significant uses.Norman and Tegan discuss why snail gunk has become a hero of cosmetics, and what else it might be capable of.References:Why Snail Mucin? Or, How This Ancient Practice Became a Skin Care SensationChemical composition, mineral profile, anti-bacterial, and wound healing properties of snail slime of Helix aspersa Müller Extraction, structure, pharmacological activities and applications of polysaccharides and proteins isolated from snail mucusAntimicrobial Activities of Different Fractions from Mucus of the Garden Snail Cornu aspersumAntimicrobial efficacy of Egyptian Eremina desertorum and Helix aspersa snail mucus with a novel approach to their anti-inflammatory and wound healing potenciesReviewing The Potential of Snail Extract to Accelerate and Improve Burn Wound Healing: A Literature Review HelixComplex snail mucus exhibits pro-survival, proliferative and pro-migration effects on mammalian fibroblastsThe efficacy of Helix aspersa Müller extract in the healing of partial thickness burns: A novel treatment for open burn management protocolsHelix aspersa maxima mucus exhibits antimelanogenic and antitumoral effects against melanoma cells849 Snail mucus increases the anti-cancer activity of anti-PD-L1 antibody in melanoma Snail Mucus Enhances Chemosensitivity of Triple-negative Breast Cancer Via Activation of the Fas PathwaySnails and Skin: A Systematic Review on the Effects of Snail-based Products on Skin HealthFrom Nature to Nurture: The Science and Applications of Snail Slime in Health and BeautyArtificial Snail Mucus Could Advance Cancer Treatments – Johns Hopkins UniversityIf you enjoyed this episode, check these out!Does anti-ageing skincare actually work?Should you be avoiding perfumes and fragrances?What we do (and don't) know about tinnitus Learn more about your ad choices. Visit megaphone.fm/adchoices
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Walking down the street, most people you pass will be wearing headphones or ear buds. Chances are you are too!But is this trend of noise-cancelling harming your ears or the way your brain processes sound?Norman and Tegan sound out the evidence on headphone use and hearing damage, and what you can do to protect your ears.References:Know Your Noise - National Acoustic LaboratoriesPumping loud music is putting more than 1 billion young people at risk of hearing loss - University of Melbourne A Partial History of Headphones - Smithsonian Prevalence and global estimates of unsafe listening practices in adolescents and young adults: a systematic review and meta-analysis Hearing thresholds, tinnitus, and headphone listening habits in nine-year-old children Do Noise-Cancelling Headphones Help or Hurt Hearing? - University of ColoradoTips for safe listening using headphones and earbuds – Hearing Australia If you enjoyed this episode, check these out!Is there such thing as TOO much sun protection?Is there a cure for jet lag?Don’t Die: Is Bryan Johnson going to live forever? Learn more about your ad choices. Visit megaphone.fm/adchoices
- Visa fler
