What's That Rash?

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About the show

Latest episodes

• Does hypnotherapy work?

  October 6, 2026 · 23 min

  Sit back and relax. Close your eyes. Imagine you're sitting on a calm beach. Now, do you feel more open to suggestion? Hypnotherapy has been around for centuries, and you might've heard about it being used for everything from PTSD to…

• NMN, NAD+ and other acronyms of anti-aging

  September 29, 2026 · 16 min

  As we age, levels of a vital molecule called nicotinamide adenine dinucleotide (NAD+) decline. Could reversing this be the key to eternal youth? There’s huge interest in NAD-boosting supplements like nicotinamide mononucleotide (NMN). But…

• How bad is shift work for your health?

  September 22, 2026 · 22 min

  Shift workers make a lot of sacrifices to keep the world running. What are they sacrificing in terms of their own health? There are harms associated with working at all hours against your body clock. Norman and Tegan work through what…

• Eat the rainbow: what can food colour tell us?

  September 15, 2026 · 22 min

  When you're done with your weekly grocery shop, how colourful is your trolley? We know eating lots of fruits and vegetables is good for you, but colour could matter. Norman and Tegan discuss what gives fruit and veggies their hue and…

• Mouthwash: good or bad for you?

  September 8, 2026 · 23 min

  How much time does your oral hygiene routine take? You brush, floss, interdent, maybe even use a tongue scraper. Is using a mouthwash going to give you any additional benefit? Or could you be doing some harm? Norman and Tegan answer…

• Why wear a continuous glucose monitor?

  September 1, 2026 · 22 min

  Continuous glucose monitors, or CGMs, have transformed how people with diabetes manage their blood sugar. But in wellness circles, more and more people without diabetes are being encouraged to try these devices. Norman and Tegan get to the…

• Are rest days from exercise necessary?

  August 25, 2026 · 21 min

  Not many people would argue that rest isn’t important, but how would you define a rest day? For an elite athlete a rest day could be going for a long walk. For your average person it could mean sitting on the couch. Norman and Tegan ask…

• What has your nose got to do with sleep?

  August 18, 2026 · 18 min

  Have you ever spritzed your pillow with lavender and wondered, is this actually doing anything? There are some surprising ways that smells can affect sleep, and it might have something to do with how our brains work. Norman and Tegan…