What's That Rash?

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?

14 min

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?

21 min

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?

21 min

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

17 min

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

17 min

Why do some people pee more often?

Do you find yourself complaining that you've got a small bladder, as you run to the toilet for the third time in an hour?There are many reasons a person might pee more than others, including some scary medical conditions. But as Norman and Tegan explain, in most cases your bladder is just deconditioned and you need to get your urinary tract into shape. This episode first aired on April 15, 2025. References:Bladder control: Lifestyle strategies ease problemsA randomized double-blind placebo-controlled clinical trial of a product containing pumpkin seed extract and soy germ extract to improve overactive bladder-related voiding dysfunction and quality of lifePumpkin Seed Oil Extracted From Cucurbita maxima Improves Urinary Disorder in Human Overactive BladderProsta Fink Forte capsules in the treatment of benign prostatic hyperplasia. Multicentric surveillance study in 2245 patients

16 min

Sunscreen spectacular: UV protection, SPF drama, endocrine disruptors

There have been many discussions this year about sunscreen, its effectiveness and its ingredients.While there are some unknowns, what we’re sure of is sunscreen’s ability to protect us from the sun’s ageing and cancer-causing rays.Norman and Tegan slip, slop, slap some questions about sunscreen: SPF scandal, endocrine disruptors and vitamin D concerns.References:How does sunscreen work? - Cancer Council Sunscreen: a brief walk through historyWe tested the SPF claims of 20 sunscreens. 16 failed - CHOICETGA statement on CHOICE SPF sunscreen findings Safety Review of Seven Active Sunscreen Ingredients – July 2025 Daily sunscreen application and betacarotene supplementation in prevention of basal-cell and squamous-cell carcinomas of the skin: a randomised controlled trialMineral vs chemical sunscreens Can your sunscreen expire? If you enjoyed this episode, check these out!Is there such thing as TOO much sun protection?We all need a daily dose of sunlight — but how much? Can you get away with skipping your daily shower?

21 min

Do the benefits of creatine go beyond the gym?

Creatine is getting a lot of hype lately, at least according to our listeners.It’s being pushed for everything from menopause to dementia for its supposed energy-boosting, brain-boosting benefits.Norman and Tegan explore what is really going on with creatine outside of its muscle-building potential.References:Common questions and misconceptions about creatine supplementation: what does the scientific evidence really show? | Journal of the International Society of Sports Nutrition Metabolic Basis of Creatine in Health and Disease: A Bioinformatics-Assisted Review - Nutrients Creatine in Health and Disease Creatine supplementation for older adults: Focus on sarcopenia, osteoporosis, frailty and CachexiaSingle dose creatine improves cognitive performance and induces changes in cerebral high energy phosphates during sleep deprivationCreatine monohydrate pilot in Alzheimer's: Feasibility, brain creatine, and cognition The Effects of 8-Week Creatine Hydrochloride and Creatine Ethyl Ester Supplementation on Cognition, Clinical Outcomes, and Brain Creatine Levels in Perimenopausal and Menopausal Women (CONCRET-MENOPA): A Randomized Controlled Trial It Is Not Just About Storing Energy: The Multifaceted Role of Creatine Metabolism on Cancer Biology and ImmunologyCreatine Supplementation for Patients with Inflammatory Bowel Diseases: A Scientific Rationale for a Clinical Trial International Society of Sports Nutrition position stand: safety and efficacy of creatine supplementation in exercise, sport, and medicine If you enjoyed this episode, check these out!Is it safe to dose yourself with pre-workout?Do healthy people need lymphatic treatments?Is that glass of red wine over Christmas dinner good for you?

22 min

Why do we dream?

Whether or not we remember our dreams, we all have them. But the answer to why we dream is complicated.There's a lot going on in our brains during sleep, especially during the rapid eye movement (REM) phase when most dreams go down.Norman and Tegan talk through the purpose of dreams, how time warps as we snooze and whether there are any downsides to these nightly hallucinations.References:Dreams: Why They Happen & What They Mean – Sleep Foundation Time for actions in lucid dreams: effects of task modality, length, and complexity High Dream Recall Frequency is Associated with Increased Creativity and Default Mode Network ConnectivityfMRI Evidence for Default Mode Network Deactivation Associated with Rapid Eye Movements in Sleep The relationships between insomnia, nightmares, and dreams: A systematic reviewNightmares affect the experience of sleep quality but not sleep architecture: an ambulatory polysomnographic study Gender differences in dreaming: Are they stable over time?Isotretinoin use and reports of sustained dreaming | British Journal of Dermatology | Oxford AcademicDreaming under antidepressants: A systematic review on evidence in depressive patients and healthy volunteersNightmare and Abnormal Dreams: Rare Side Effects of Metformin?If you enjoyed this episode, check these out!What's the deal with night terrors?How risky is sharing a toothbrush?Should you go organic if you're worried about pesticides?

22 min

What's the best time of day to exercise?

When you’ve got a busy schedule, it’s important to just exercise when you can. But if you have the luxury of choice, is there an optimal one?You might’ve even heard that exercising at certain times of day can lead to harm.Norman and Tegan run through the evidence around heart attacks, workouts and what happens when you’re a morning or a night person.References:Association of the time of day of peak physical activity with cardiovascular mortality: Findings from the UK Biobank StudySetting your clock: associations between timing of objective physical activity and cardiovascular disease risk in the general population Best Time of Day for Strength and Endurance Training to Improve Health and Performance? A Systematic Review with Meta-analysis Gold, silver or bronze: circadian variation strongly affects performance in Olympic athletesDiurnal variation in tennis serviceThe effects of exercise session timing on weight loss and components of energy balance: midwest exercise trial 2 If you enjoyed this episode, check these out!Chronotypes: early birds vs night owlsDoes magnesium work against muscle cramps?Norman tried an ice bath so you don't have to

15 min

Should you aim for an alkaline lifestyle?

Humans are slightly alkaline – your blood should be a pH between 7.35 to 7.45. Anything outside that range can be life-threatening.So why are you being told to follow an alkaline diet? Proponents of the diet claim it can tackle everything from osteoporosis to cancer.Norman and Tegan do a litmus test on the alkaline-acid balance and whether it’s a driver of chronic disease.References:Physiology, Acid Base BalanceThe effect of acid ash and alkaline ash foodstuffs on the acid-base equilibrium of manUrine pH is an indicator of dietary acid–base load, fruit and vegetables and meat intakes: results from the European Prospective Investigation into Cancer and Nutrition (EPIC)-Norfolk population studyWhy is there so much on the internet about the alkaline diet and cancer? – MD Anderson Low-grade metabolic acidosis as a driver of chronic disease: a 21st century public health crisisDiet-Induced Low-Grade Metabolic Acidosis and Clinical Outcomes: A ReviewIf you enjoyed this episode, check these out!Why Norman won't shut up about the Mediterranean dietWhy is the internet telling me to lower my cortisol?MSG's messy myths and racist tropes

19 min

Anything wrong with falling asleep in front of the TV?

You’re settling into the couch after a long day, ready to relax with your favourite show … next thing you know, you’re asleep.What is it about the TV that puts people to sleep, and what can you do to avoid dozing off?Norman and Tegan explore comfort watching, binge-watching and blue light exposure.References:Exploring the Bob Ross effect: A psychophysiological investigationBinge Viewing, Sleep, and the Role of Pre-Sleep Arousal | Journal of Clinical Sleep MedicineThe inner clock—Blue light sets the human rhythm Morning and Evening Blue-Enriched Light Exposure Alters Metabolic Function in Normal Weight AdultsMitigating the Effects of Blue Light - Sleep Foundation If you enjoyed this episode, check these out!What is the perfect nap duration?Why do you feel so tired after a big meal?Is your (artificial) sweet tooth killing you?

20 min

Difference between dry needling and acupuncture?

If you've seen a physiotherapist, you might’ve undergone needling with the promise it will reduce your pain.Did you receive dry needling or acupuncture? How can you tell the difference between the two?Norman and Tegan poke through the evidence to find out how effective these techniques can be.References:Similarities between Ashi acupoints and myofascial trigger points: Exploring the relationship between body surface treatment points Dry Needling versus Acupuncture: The Ongoing DebateAcupuncture: Past, Present, and Future Clinical Effectiveness of Dry Needling in Patients with Musculoskeletal Pain—An Umbrella Review Methodological challenges in design and conduct of randomised controlled trials in acupuncture Needling Point Location Used in Sham Acupuncture for Chronic Nonspecific Low Back Pain: A Systematic Review and Network Meta-AnalysisComparison of dry needling and trigger point manual therapy in patients with neck and upper back myofascial pain syndrome: a systematic review and meta-analysisAcupuncture for Chronic Pain: Individual Patient Data Meta-analysisAcupuncture for musculoskeletal pain: A meta-analysis and meta-regression of sham-controlled randomized clinical trialsMagic tricks are helping scientists understand the placebo effect and pain - ABC NewsIf you enjoyed this episode, check these out!Can you zap yourself buff with electrical muscle stimulation?Are office jobs ruining our bodies?Is gluten really the enemy?

21 min

What is lead doing in protein powder?

You might’ve seen headlines about high levels of lead being found in common protein supplements.With these products becoming more popular, the news has some eager gym-goers concerned about what they’re consuming.Norman and Tegan discuss how these results compare to our historical exposure – from Ancient Rome to Australia in the 1960s.References:Protein Powders and Shakes Contain High Levels of Lead - Consumer ReportsBioaccumulation of lead (Pb) and its effects on human: A review Lead in Food and Foodwares - FDA Low Level Lead Exposure: History and Discovery Lead Toxicity: an Australian Perspective Some US protein powders contain high levels of lead. Can I tell if mine is safe? - the ConversationIf you enjoyed this episode, check these out!How much protein do you REALLY need?Norman tried an ice bath so you don't have toWhy do hangovers get worse as we age?

22 min

Should you be avoiding perfumes and fragrances?

Once you go looking, you realise there are scents in everything – from skincare to cleaning supplies to candles. And of course, perfume.Are there any implications to our health from taking in natural and synthetic fragrances from all these products?Norman and Tegan sniff out the evidence when it comes to scent, and whether we should be worried.References:The first chemist in history may have been a female perfumer – here’s how the science of scents has changed since - the Conversation A Smelling Trip into the Past: The Influence of Synthetic Materials on the History of PerfumeryHealth and societal effects from exposure to fragranced consumer products – University of MelbourneEffects by inhalation of abundant fragrances in indoor air – An overview Cleaning at Home and at Work in Relation to Lung Function Decline and Airway ObstructionCleaning at Home and at Work in Relation to Lung Function Decline and Airway ObstructionSynthetic Endocrine Disruptors in Fragranced Products Do fragrant products like perfume, toilet paper and baby wipes cause cancer? - Cancer Council Characterization of phthalates exposure and risk for cosmetics and perfume sales clerks Chemical exposure and lung function in fragrance industry employees Butter and Plant-Based Oils Intake and Mortality - JAMAIf you enjoyed this episode, check these out!Don't sweat it? Conventional vs natural deodorantsWhy is everyone suddenly talking about seed oils?Are mobile phones giving us cancer?

21 min

Should you be flexible enough to touch your toes?

Whether you can or not, it feels like a sign of fitness to be able to reach down and touch your toes.But how important is flexibility when it comes to your physical fitness? Is it a necessary part of healthy ageing?Norman and Tegan stretch through the evidence on flexibility – when does it count, and how can you achieve it?References:Genetics of Muscle Stiffness, Muscle Elasticity and Explosive StrengthGenetic associations of body composition, flexibility and injury risk with ACE, ACTN3 and COL5A1 polymorphisms in Korean ballerinasWhole-spine dynamic magnetic resonance study of contortionists: anatomy and pathologyPractical recommendations on stretching exercise: A Delphi consensus statement of international research expertsThe ideal stretching routine – Harvard HealthHow stretching actually changes your muscles - Malachy McHugh for Ted-EdIf you enjoyed this episode, check these out!Working out? Why 'No Pain No Gain' is bullWhat on earth is grounding?!Can you zap yourself buff with electrical muscle stimulation?You can listen to more episodes of the What’s That Rash? podcast with presenters Norman Swan and Tegan Taylor on the ABC Listen app (Australia) or wherever you get your podcasts. We answer your questions on everything from TikTok wellness trends to wonder drugs and diet myths.

22 min

Butter vs margarine: what's better for you?

The battle between butter and margarine has been happening since margarine was invented in the 19th century.So have we figured out which one is better for your health – butter with its high saturated fat content, or margarine which is an ultra-processed food?Norman and Tegan unpack the winding history of this debate from its inception to the present day.References:The Butter Wars: When Margarine Was Pink – National Geographic The Butter-Margarine Controversy - 1946What the margarine vs butter argument says about nutrition – University of MelbourneDietary fats - Healthdirect What’s better, butter or margarine? - Diabetes Australia Serum cholesterol response to replacing butter with a new trans-free margarine in hypercholesterolemic subjectsIndividual Cholesterol Variation in Response to a Margarine- or Butter-Based Diet: A Study in FamiliesEffects of margarines and butter consumption on lipid profiles, inflammation markers and lipid transfer to HDL particles in free-living subjects with the metabolic syndromeBMI modifies the effect of dietary fat on atherogenic lipids: a randomized clinical trialFrom margarine to butter: predictors of changing bread spread in an 11-year population follow-upAssociation between dairy intake and multiple health outcomes: a scoping review of systematic reviews and meta-analyses | European Journal of Clinical Nutrition Umbrella Review of Systematic Reviews and Meta-analyses on Consumption of Different Food Groups and Risk of All-cause Mortality - ScienceDirectIf you enjoyed this episode, check these out!Is emu oil the new snake oil?Is daylight saving time bad for us?Should you be avoiding nightshades?You can listen to more episodes of the What’s That Rash? podcast with presenters Norman Swan and Tegan Taylor on the ABC Listen app (Australia) or wherever you get your podcasts. We answer your questions on everything from TikTok wellness trends to wonder drugs and diet myths.

21 min

No-poo: why do we shampoo our hair?

Do you ever wonder while you’re shampooing and conditioning – is this really necessary?The no-poo movement encourages people to ditch their products and turn to homemade concoctions, or nothing at all.Norman and Tegan rinse out the evidence for and against hair care, and how we got here in the first place.References:Clean: A History of Personal Hygiene and PurityShampoo and Conditioners: What a Dermatologist Should Know?The "No-poo" Craze: What do Gwyneth Paltrow, Kim Kardashian, Adele and Howie Mandel have in common? They don’t "poo" - McGill UniversityEssentials of Hair Care often Neglected: Hair CleansingUnlocking the secrets of the hair microbiome: From scalp health to therapeutic advancesParabens in Cosmetics - US Food and Drug AdministrationIf you enjoyed this episode, check these out!Can you get away with skipping your daily shower?Which hair loss treatments actually work?Does magnesium work against muscle cramps?You can listen to more episodes of the What’s That Rash? podcast with presenters Norman Swan and Tegan Taylor on the ABC Listen app (Australia) or wherever you get your podcasts. We answer your questions on everything from TikTok wellness trends to wonder drugs and diet myths.

18 min

Is running bad for your knees?

It’s marathon season, but whether you’re running 40 kilometres or four you might’ve wondered what it’s doing to your joints.It used to be thought things like osteoarthritis of the knee or the hip were caused by wear and tear, and running made things worse.Norman and Tegan jog through how the evidence has evolved, and answer the question: should you be hopping on the run club trend?References: Running and your knees - ABC listenEffects of Running on the Development of Knee Osteoarthritis: An Updated Systematic Review at Short-Term Follow-upThe Association of Recreational and Competitive Running With Hip and Knee Osteoarthritis: A Systematic Review and Meta-analysisThe risk of osteoarthritis with running and aging: a 5-year longitudinal study. - AbstractCan marathon running improve knee damage of middle-aged adults? A prospective cohort studyHow much running is too much? Identifying high-risk running sessions in a 5200-person cohort studyUsing metformin to treat knee osteoarthritis - ABC listenChanging the brain to reduce pain and walk the Camino - ABC listenMetabolic syndrome meets osteoarthritis | Nature Reviews RheumatologyMechanical loading and orthobiologic therapies in the treatment of post-traumatic osteoarthritis (PTOA): a comprehensive reviewLeisure-Time Running Reduces All-Cause and Cardiovascular Mortality RiskIf you enjoyed this episode, check these out!Is sitting the new smoking?Sweaty sauna bathing for better healthIs being an Olympian bad for your health?You can listen to more episodes of the What’s That Rash? podcast with presenters Norman Swan and Tegan Taylor on the ABC Listen app (Australia) or wherever you get your podcasts. We answer your questions on everything from TikTok wellness trends to wonder drugs and diet myths.

21 min

Is loving your pets bad for you?

A post from Queensland Health has been ridiculed after for urging people not to kiss their pets or let them sleep in the same bed.So how do the risks of pet ownership stack up to the presumed benefits of having a furry (feathery or scaly) friend?Norman and Tegan take a look at the evidence – and some of its flaws – and reignite the age-old cat vs dog debate.References:If you have a pet as a kid, does this lower your risk of asthma and eczema? | WEHIZoonotic diseases and pets | American Veterinary Medical Association Behavioral changes induced by Toxoplasma infection of rodents are highly specific to aversion of cat odors | PNASPet Ownership and Quality of Life: A Systematic Review of the LiteratureIs Dog Ownership Associated with Mental Health? A Population Study of 68,362 Adults Living in EnglandNo beneficial associations between living with a pet and mental health outcomes during the COVID-19 pandemic in a large UK longitudinal sample - ScienceDirectPet ownership, loneliness, and social isolation: a systematic review | Social Psychiatry and Psychiatric EpidemiologyThe Relationship Between Attachment to Pets and Mental Health and Wellbeing: A Systematic Review Pet ownership and maintenance of cognitive function in community-residing older adults: evidence from the Baltimore Longitudinal Study of Aging (BLSA) | Scientific ReportsDog owners are more likely to meet physical activity guidelines than people without a dog: An investigation of the association between dog ownership and physical activity levels in a UK community | Scientific Reports A modest protective association between pet ownership and cardiovascular diseases: A systematic review and meta-analysis | PLOS OneDog, cat, bird, fish, and other pet ownership and mortality: Evidence from the HILDA cohortLong-term stress levels are synchronized in dogs and their owners | Scientific ReportsIf you enjoyed this episode, check these out!How worried should you be about microplastics?Is daylight saving time bad for us?MSG's messy myths and racist tropesYou can listen to more episodes of the What’s That Rash? podcast with presenters Norman Swan and Tegan Taylor on the ABC Listen app (Australia) or wherever you get your podcasts. We answer your questions on everything from TikTok wellness trends to wonder drugs and diet myths.

21 min

Episodes

Should you wait to swim after eating?

Is retirement bad for you?

Diet vs exercise: which is more important?

Why you don't need to avoid seed oils

Should you opt for aluminium-free deodorant?

Why do some people pee more often?

Sunscreen spectacular: UV protection, SPF drama, endocrine disruptors

Do the benefits of creatine go beyond the gym?

Why do we dream?

What's the best time of day to exercise?

Should you aim for an alkaline lifestyle?

Anything wrong with falling asleep in front of the TV?

Difference between dry needling and acupuncture?

What is lead doing in protein powder?

Should you be avoiding perfumes and fragrances?

Should you be flexible enough to touch your toes?

Butter vs margarine: what's better for you?

No-poo: why do we shampoo our hair?

Is running bad for your knees?

Is loving your pets bad for you?

Health Report

Episodes

Should you wait to swim after eating?

Is retirement bad for you?

Diet vs exercise: which is more important?

Why you don't need to avoid seed oils

Should you opt for aluminium-free deodorant?

Why do some people pee more often?

Sunscreen spectacular: UV protection, SPF drama, endocrine disruptors

Do the benefits of creatine go beyond the gym?

Why do we dream?

What's the best time of day to exercise?

Should you aim for an alkaline lifestyle?

Anything wrong with falling asleep in front of the TV?

Difference between dry needling and acupuncture?

What is lead doing in protein powder?

Should you be avoiding perfumes and fragrances?

Should you be flexible enough to touch your toes?

Butter vs margarine: what's better for you?

No-poo: why do we shampoo our hair?

Is running bad for your knees?

Is loving your pets bad for you?

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Health Report