What's That Rash?

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 addiction and even IBS.
Norman and Tegan guide us through the evidence for using hypnosis in a therapeutic setting, and whether there are any downsides.
References:
Brain Activity and Functional Connectivity Associated with Hypnosis
Not everyone can be hypnotized - and researchers are one step closer to understanding why
Functional Brain Basis of Hypnotizability
A Systematic Review of Hypnosis for Clinical Pain Relief
The effectiveness of hypnosis for pain relief: A systematic review and meta-analysis of 85 controlled experimental trials
Hypnosis as a non-pharmacological intervention for invasive medical procedures - A systematic review and meta-analytic update
Gut-directed hypnotherapy for IBS: what is it and what are the options?
Gut-Directed Hypnotherapy for Irritable Bowel Syndrome: A Systematic Review and Meta-Analysis
Does hypnotherapy help people who are trying to stop smoking? - Cochrane Review
Effectiveness of hypnosis in adults with posttraumatic stress disorder (PTSD)
A Meta-Analysis of Hypnotherapeutic Techniques in the Treatment of PTSD Symptoms
Hypnotherapy in the Treatment of Chronic Combat-Related PTSD Patients Suffering From Insomnia: A Randomized, Zolpidem-Controlled Clinical Trial
Ericksonian hypnotherapy versus cognitive behavioral therapy for post-traumatic stress disorder
The Prefrontal Cortex and Suggestion: Hypnosis vs. Placebo Effects
If you enjoyed this episode, check these out!
What's the deal with night terrors?
Can tapping calm your nervous system?
Why do we dream?

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 is there good evidence that they can help us live longer, healthier?
Norman and Tegan unpack how NAD+ became the focus of anti-aging proponents.
This episode first aired on November 4, 2024.
References:
NAD+ metabolism and its roles in cellular processes during ageing
NAD+ in Brain Aging and Neurodegenerative Disorders
What is really known about the effects of nicotinamide riboside supplementation in humans
Dietary Supplementation With NAD+-Boosting Compounds in Humans: Current Knowledge and Future Directions
The use of a systems approach to increase NAD+ in human participants
Specific ablation of Nampt in adult neural stem cells recapitulates their functional defects during aging

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 those are, and what you can do to protect against them.
References:
5 long-term health effects of shift work
Shift work can harm sleep and health: What helps?
Coping with shift work
Shift work and health outcomes: an umbrella review of systematic reviews and meta-analyses of epidemiological studies
Shift work and long work hours and their association with chronic health conditions: A systematic review of systematic reviews with meta-analyses
Relationship between long-term shift work; night work; sleep deficiency and stroke: A systematic review and meta-analysis
Shifting Rhythms: A Systematic Review Exploring the Multifaceted Effects of Shift Work and Circadian Disruption on Employee Cardiovascular Health
Exercise interventions for sleep and cognitive dysfunction in shift workers: a systematic review of randomized trials 
If you enjoyed this episode, check these out!
What is the perfect nap duration?
Chronotypes: early birds vs night owls
Why do some people pee more often?

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 whether it's important when it comes to healthy eating.
References:
Phytonutrients: Paint your plate with the colours of the rainbow
Clinical Evidence of the Benefits of Phytonutrients in Human Healthcare
Eat a Rainbow – Nutrition Australia
Phytochemicals: Principles and Practice
What’s the Difference Between Sweet Potatoes and Potatoes?
Role of Phytonutrients in the Prevention and Treatment of Chronic Diseases: A Concrete Review
Major phytochemicals, their sources, active sites, and the related health benefits
Effect of Fruit and Vegetable Consumption on Human Health: An Update of the Literature
Adding variety to your diet lowers disease risk. But what does variety mean?
Which Colour of Bell Pepper Has Most Nutrients? 
If you enjoyed this episode, check these out!
Should you be eating more fruit?
Why Norman won't shut up about the Mediterranean diet
What are the health benefits of coffee?

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 questions about the effectiveness of mouthwash, what it does to your oral microbiome and why there might be a link to blood pressure.
References:
Oral microbiome: Unveiling the fundamentals
Effectiveness of Mouthwashes in Managing Oral Diseases and Conditions: Do They Have a Role?
Effect of Adjunctive Use of Commercial Daily Mouthwashes on Periodontal Health: An Umbrella Review
Effect of post-brushing mouthrinse solutions on salivary fluoride retention
Mouthwash Effects on the Oral Microbiome: Are They Good, Bad, or Balanced?
Effects of chlorhexidine and a polyherbal mouthwash on the oral microbiome and user satisfaction: a randomized controlled trial
The Effects of Antimicrobial Mouthwashes on Systemic Disease: What Is the Evidence?
Oral hygiene, mouthwash usage and cardiovascular mortality during 18.8 years of follow-up
Does Mouthwash Use Affect Oral Cancer Risk? A Comprehensive Systematic Review and Meta-Analysis
An update on mouthwashes: advice for dental practitioners 
If you enjoyed this episode, check these out!
Can flossing benefit more than your teeth?
How risky is sharing a toothbrush?
Should you opt for aluminium-free deodorant?