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Program: What's That Rash?

Source:ABC Radio National

Latest Episode

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ABC Radio National

Presented by

Norman Swan

Tegan Taylor

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.

Got a question? Email us at thatrash@abc.net.au or send us a message on the @abchealth Instagram.

Available online from Wednesday 1am.

Episodes

Sorted by latest

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?

Published: Wed 10 Jun 2026 at 1:00am

Wed 10 Jun 2026 at 1:00am

with Tegan Taylor and Norman Swan

Duration: 18 minutes

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?

Published: Wed 3 Jun 2026 at 1:00am

Wed 3 Jun 2026 at 1:00am

with Tegan Taylor and Norman Swan

Duration: 18 minutes

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.

Published: Wed 27 May 2026 at 1:00am

Wed 27 May 2026 at 1:00am

with Tegan Taylor and Norman Swan

Duration: 19 minutes

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.

Published: Wed 20 May 2026 at 1:00am

Wed 20 May 2026 at 1:00am

with Tegan Taylor and Norman Swan

Duration: 22 minutes

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?

Published: Wed 13 May 2026 at 1:00am

Wed 13 May 2026 at 1:00am

with Tegan Taylor and Norman Swan

Duration: 22 minutes

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.

Published: Mon 11 May 2026 at 3:00pm

Mon 11 May 2026 at 3:00pm

with Tegan Taylor and Norman Swan

Duration: 13 minutes

Why is yawning contagious?

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.

Published: Wed 6 May 2026 at 1:00am

Wed 6 May 2026 at 1:00am

with Tegan Taylor and Norman Swan

Duration: 17 minutes

Tonsils, appendix, gallbladder: is anything actually useless?

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.

Published: Wed 29 Apr 2026 at 1:00am

Wed 29 Apr 2026 at 1:00am

with Tegan Taylor and Norman Swan

Duration: 20 minutes

Should you be eating more fruit?

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.

Published: Wed 22 Apr 2026 at 1:00am

Wed 22 Apr 2026 at 1:00am

with Tegan Taylor and Norman Swan

Duration: 20 minutes

Red and other light therapy — can it work?

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.

Published: Wed 15 Apr 2026 at 1:00am

Wed 15 Apr 2026 at 1:00am

with Tegan Taylor and Norman Swan

Duration: 18 minutes

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Program: What's That Rash?

Episodes

Is farting a sign your gut microbiome is happy?

Still coughing — are you still infectious?

Can your joints predict the weather?

Should you get a full-body MRI?

Deep dive on progressive exercise

Hantavirus: what we know about the cruise ship outbreak

Why is yawning contagious?

Tonsils, appendix, gallbladder: is anything actually useless?

Should you be eating more fruit?

Red and other light therapy — can it work?

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