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...
It can be hard to keep up with food fads and diet trends (and spoiler: you don’t need to).But an intriguing assumption that has gained traction recently is that seed oils – think canola, sunflower, grapeseed – are terrible for you.Norman and Tegan unpack how that assumption has spread, and whether there’s any solid evidence to back it up.References:Biomarkers of Dietary Omega-6 Fatty Acids and Incident Cardiovascular Disease and MortalitySerum n-6 polyunsaturated fatty acids and risk of death: the Kuopio Ischaemic Heart Disease Risk Factor StudyOmega-6 fats to prevent and treat heart and circulatory diseasesPolyunsaturated fatty acids intake and risk of all-cause mortality, cardiovascular disease, breast cancer, mental health, and type 2 diabetes: A systematic review and meta-analysis of prospective cohort studiesPerspective on the health effects of unsaturated fatty acids and commonly consumed plant oils high in unsaturated fatIf you’re worried about inflammation, stop stressing about seed oils and focus on the basics
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19:00
Can you get away with skipping your daily shower?
January is an especially sweaty time in Australia, so maybe park this life change until the weather cools down…But is it necessary to bathe every day?As we learn more about the microbiome on our skin, more and more people are questioning their hygiene routine.Norman and Tegan sniff out the evidence for and against regular washing. References:A natural history of hygieneThe Cutaneous Microbiome and Aspects of Skin Antimicrobial Defense System Resist Acute Treatment with Topical Skin CleansersThe Role of Every-Day Cosmetics in Altering the Skin Microbiome: A Study Using BiodiversityHow Often People in Various Countries Shower - The AtlanticWhat Happens When You Don’t Shower For Five Years - Science Friday
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17:00
Should you base your diet on your blood type?
You might've heard of the blood type diet popularised in the 90s off the back of a best-selling book.It’s based on the theory that blood types emerged at different times in history, when our ancestors had very different diets.So does that mean certain foods are better for an A-, an AB+ or even an O-?As Norman and Tegan explain, it’s a complicated story.References:Blood type diets lack supporting evidence: a systematic reviewBlood Type Is Not Associated with Changes in Cardiometabolic Outcomes in Response to a Plant-Based Dietary InterventionGenetically Determined ABO Blood Group and its Associations With Health and DiseaseThe Role of ABO Blood Type in Patients with SARS-CoV-2 Infection: A Systematic Review
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18:00
The four steps you need to form a habit
There are MANY books out there on habit formation. Are they all saying the same thing?Some habits are more complicated than others. Some habits require us to untangle one automatic set of behaviours and replace them with another.It can be a long process — much longer than the 21 days that's often promised. Norman and Tegan tell us how to form a new habit, in far less than 300 pages, so you can get started. ReferencesNeurobiology of habit formationHow the brain controls our habits - MITBridging the gap between striatal plasticity and learningBasal ganglia and beyond: The interplay between motor and cognitive aspects in Parkinson’s disease rehabilitationYou are what you repeatedly do: Links between personality and habitHow are habits formed: Modelling habit formation in the real worldHow does habit form? Guidelines for tracking real-world habit formationThe role of habit in compulsivityGoal-Directed and Habitual Control in Human Substance Use: State of the Art and Future Directions
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19:00
Is that glass of red wine over Christmas dinner good for you?
'Tis the season to indulge. As you sit down with family and friends, an age-old debate might arise: does drinking a single glass of red wine make you healthier?In this episode first published May 1, 2024, Norman and Tegan try to find out the answer once and for all. References: The French paradox: Lessons for other countriesModerate Wine Consumption and Health: A Narrative ReviewHealth Effects of Red Wine Consumption: A Narrative Review of an Issue That Still Deserves Debate
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.
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