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
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.
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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.
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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 ...
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.
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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.
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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.
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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.
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- Sweaty sauna bathing for better health - What's That Rash?
- Near Infrared Photoimmu...
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.
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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...
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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".
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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.
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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.
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Many people believe that taking vitamin C supplements helps their immune system fight off colds.
But there are even bigger claims attached to this supplement – that it not only boosts immunity, but fights cancer.
Norman and Tegan introduce us to the Nobel laureate who pushed these theories decades ago, and whether there’s any truth to them.
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Unless you're in certain corners of the internet, you won't be aware of the peptide craze promising to grow your muscles and slow ageing.
That's because your average GP won't be printing a prescription for these injectable drugs, like BPC-157 or melanotan.
Norman and Tegan discuss why there's so much fan fare over unproven peptides with some potentially nasty side effects.
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Your dentist might be nagging you to floss to avoid cavities, but does flossing have more to given than pearly whites?
Interdental cleaning has been recommended for a while, but for many people it’s a habit hard to maintain.
Norman and Tegan pick through the history of flossing, and whether it can improve your heart and brain health too.
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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.
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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.
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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.
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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.
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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.
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