What's That Rash?
Get answers to the health questions everyone's asking. Our experts give you the information you need to feel good and make the best decisions for your brain and body.
Episodes
You go to make a sandwich and notice mould on the corner of a single slice of bread — we've all been there.
So what do you do? Chop off the affected corner? Ditch the single slice and choose bread from further down in the bag? Or chuck the entire bag?
Norman and Tegan take on this controversial topic at the World Science Festival in Brisbane.
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It might be the last thing on your mind when you’re congested and miserable, but we swear it’s a genuine question we get asked.
When you’ve got exercise baked into your routine, do you have to take a break when you’re unwell?
Norman and Tegan unpack the nuance of exercising when you’re sick – when you can, and when you can’t.
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It has become pretty common to send off a saliva sample or a cheek swab to find out more about yourself.
At-home DNA testing kits offer insights into ancestry, but also claim to be able to tell you your risk of certain diseases, or even give you unique diet advice.
Norman and Tegan explore the limits of these kits, and some things you should consider before potentially buying one.
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Australians have a long and complicated history with the emu – and the tale continues in the murky wellness space.
There are a handful of emu farms still operating locally to harvest meat, oil, eggs and feathers from the flightless birds.
Norman and Tegan discuss the growing demand for emu oil, and what it’s claimed to do.
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Not everyone is a morning person, and not everyone can stay up past midnight. How hard-wired are our internal schedules?
It’s long been suspected there was an evolutionary advantage to humans falling asleep and waking up at different times.
Norman and Tegan unpack what are called chronotypes, and whether you can shift yours to better fit your lifestyle.
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In a video that went viral, Robert F. Kennedy Jr was seen on a plane dropping a cobalt blue liquid into his drink.
People quickly started to assume it was methylene blue, a substance that in some corners is being heralded for apparent anti-ageing properties.
Norman and Tegan look at the research that has been done so far … and some of the risks of dosing yourself with unproven medications.
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You might've been advertised lymphatic massage treatments promising to boost your energy and leave you looking snatched.
The lymphatic system is great at clearing out gunk and checking our bodies for potential nasties like bacteria and viruses.
Norman and Tegan discuss whether it's possible to have a 'sluggish' lymphatic system in need of help, without having a diagnosable condition.
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Some people might be naturally blessed with pearly whites, but many people aren’t happy with the shade of their teeth.
There’s nothing inherently unhealthy about yellower teeth, and staining happens throughout our lives.
Norman and Tegan unpack the long history of teeth whitening (with everything from urine to nitric acid) and discuss where there’s potential for harm.
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Coffee has been an important part of human cultures for centuries, and it has a long history of being both heralded and demonised.
But the more we learn about coffee – even independent from caffeine – the more that comes to light about its potential benefits.
Norman and Tegan drink in the evidence so far, which gets down to the nitty gritty of brewing techniques and milk additions.
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There tend to be more bugs around in winter making everyone snotty and uncomfortable.
But does this mean that cold weather causes colds? Well no, viruses cause the common cold.
But, as Norman and Tegan explain, winter does set the stage for those viruses to have more moments in the spotlight.
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Organic fruits and vegetables are one thing, but the label is popping up on packaged foods too.
Are they healthier for us because they’re certified organic? How much harm are pesticides doing to our health?
Norman and Tegan dig into organic farming to find out whether they’re worth the extra price.
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What is silence, anyway? Well if you’ve got tinnitus silence can feel like a distant dream.
There are many causes of the ringing or buzzing that many people hear despite there being no external sound.
Norman and Tegan discuss some of the treatments – current and in the works – that could one day bring some peace and quiet.
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If you're a keen gym-goer you might've heard conflicting advice about optimising your workout.
Some people claim that doing both cardio (getting your heart pumping) and strength (getting those muscles pumping) on the same day might cancel out the benefits.
Norman and Tegan unpack what concurrent training is, and what the evidence tells us about its effects.
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Are you constantly getting scolded for pressing your cold feet against your partner in bed? Or told your hands are icy cold?
It’s well known that some people run cold and others run hot. But why does this happen, and does it say anything about your health?
Norman and Tegan unpack the physiology and get into some of the reasons we experience temperature differently.
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You might've heard a friend complaining about their latest break-out and swearing off dairy products as a result. Or that friend might be you.
It’s a common complaint, but does it have any scientific merit?
Norman and Tegan explore whether consuming dairy can cause acne, and if so, how a glass of milk might lead to pimples.
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You might’ve been told by parents, teachers, colleagues, friends of friends to stop cracking your knuckles because it will give you arthritis.
There’s a surprising amount of science going on when you crack a joint, and it suggests there’s very little risk of harming your bones.
But as Norman and Tegan explain, there is one major risk – you could irritate everybody around you.
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When weighing up the health risks of getting a tattoo, most people are concerned about the risk infection.
But recently the ingredients in tattoo ink have come under the microscope, with some being identified as potential carcinogens.
Norman and Tegan take a look at the many substances used to create permanent art, and whether they carry any real harm to humans.
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The carnivore diet asks people to eat entirely animal-based, and the most extreme followers restrict themselves to only meat.
Many carnivores claims they feel great — better than they ever have. They have more energy and lose weight.
Norman and Tegan tuck into the reasons why carnivores feel better in the short-term, and the dangers they're inviting in the long-term.
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Hot flashes. Night sweats. Aching joints. Sore boobs. Welcome to your body in perimenopause!
In episode one of this four-part series, Yumi Stynes speaks to women in the thick of perimenopause and battling physical symptoms.
She also sits down with Dr Susan Davis, endocrinologist and world-leading expert on sex hormones and ageing to learn the best treatments for bothersome symptoms and how look after yourself in th...
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.
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