You'll catch your death! Does cold weather cause colds?
There tend to be more bugs around in winter making everyone snotty and uncomfortable.But does this mean that cold weather causes colds? Well no, viruses cause the common cold.But, as Norman and Tegan explain, winter does set the stage for those viruses to have more moments in the spotlight.References:Understanding the symptoms of the common cold and influenza - PMCCold temperature and low humidity are associated with increased occurrence of respiratory tract infections - ScienceDirect Immune system of cold-exposed and cold-adapted humans | European Journal of Applied PhysiologyImmune changes in humans during cold exposure: effects of prior heating and exerciseCold exposure impairs extracellular vesicle swarm–mediated nasal antiviral immunity - Journal of Allergy and Clinical Immunology Airborne transmission efficiency of SARS-CoV-2 in Syrian hamsters is not influenced by environmental conditions | npj VirusesIf you enjoyed this episode, check these out!Norman tried an ice bath so you don't have toIs NAD+ a miracle anti-ageing supplement?
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21:00
Should you go organic if you're worried about pesticides?
Organic fruits and vegetables are one thing, but the label is popping up on packaged foods too.Are they healthier for us because they’re certified organic? How much harm are pesticides doing to our health?Norman and Tegan dig into organic farming to find out whether they’re worth the extra price. References:Organic Certification ExplainedPesticides | Food Standards Australia New Zealand Pesticides impacts on human health and the environment with their mechanisms of action and possible countermeasures - ScienceDirectGlobal analysis shows how pesticides leach into the environment - The University of SydneyEcological impacts and management strategies of pesticide pollution on aquatic life and human beings - ScienceDirectA Systematic Review of Organic Versus Conventional Food Consumption: Is There a Measurable Benefit on Human Health?Cellulose Surface Nanoengineering for Visualizing Food SafetyComparison of Different Home/Commercial Washing Strategies for Ten Typical Pesticide Residue Removal Effects in Kumquat, Spinach and CucumberIf you enjoyed this episode, check these out!Should we all be vegetarian?Can you adapt to allergies or does the dog have to go?
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19:00
What we do (and don't) know about tinnitus
What is silence, anyway? Well if you’ve got tinnitus silence can feel like a distant dream.There are many causes of the ringing or buzzing that many people hear despite there being no external sound.Norman and Tegan discuss some of the treatments – current and in the works – that could one day bring some peace and quiet.References:Intrinsic network activity in tinnitus investigated using functional MRIAuditory Resting-State Network Connectivity in Tinnitus: A Functional MRI Study | PLOS OneTargeting the Limbic System: Insights into Its Involvement in Tinnitus - PMC Chronic tinnitus and the limbic system: Reappraising brain structural effects of distress and affective symptoms - PMC Gray matter declines with age and hearing loss, but is partially maintained in tinnitus | Scientific Reports Therapy and Treatment Options | American Tinnitus AssociationEffects of tinnitus retraining therapy on patients with tinnitus: a systematic review of randomized controlled trials | European Archives of Oto-Rhino-LaryngologyEffect of Tinnitus Retraining Therapy vs Standard of Care on Tinnitus-Related Quality of Life: A Randomized Clinical Trial | Otolaryngology Neuromodulation for Treatment of Tinnitus: A Systematic Review and Meta‐Analysis - Wiley Online Library
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21:00
Should you train cardio and strength on the same day?
If you're a keen gym-goer you might've heard conflicting advice about optimising your workout.Some people claim that doing both cardio (getting your heart pumping) and strength (getting those muscles pumping) on the same day might cancel out the benefits.Norman and Tegan unpack what concurrent training is, and what the evidence tells us about its effects.ReferencesA Brief Review on Concurrent Training: From Laboratory to the Field - PMCConcurrent Training: A Meta-Analysis Examining Interference of Aerobic and Resistance ExercisesCompatibility of Concurrent Aerobic and Strength Training for Skeletal Muscle Size and Function: An Updated Systematic Review and Meta-Analysis | Sports MedicineConcurrent Strength and Endurance Training: A Systematic Review and Meta-Analysis on the Impact of Sex and Training Status | Sports MedicineConcurrent training in team sports: A systematic reviewSpecific Training Effects of Concurrent Aerobic and Strength Exercises Depend on Recovery DurationConcurrent aerobic plus resistance exercise versus aerobic exercise alone to improve health outcomes in paediatric obesity: a systematic review and meta-analysisThe Effects of 12 Weeks of Concurrent and Combined Training on Inflammatory Markers, Muscular Performance, and Body Composition in Middle-Aged Overweight and Obese Males
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18:00
Why do some people run hot, while others run cold?
Are you constantly getting scolded for pressing your cold feet against your partner in bed? Or told your hands are icy cold?It’s well known that some people run cold and others run hot. But why does this happen, and does it say anything about your health?Norman and Tegan unpack the physiology and get into some of the reasons we experience temperature differently.References:Individual differences in normal body temperature: longitudinal big data analysis of patient records | The BMJGender Matters! Thermal Comfort and Individual Perception of Indoor Environmental Quality: A Literature Review | SpringerLinkSex differences and aging: Is there a role of brown adipose tissue? - ScienceDirectCool Temperature Alters Human Fat and Metabolism | National Institutes of Health (NIH) A Review of Cultural Background and Thermal Perceptions in Urban EnvironmentsOutdoor thermal perception and adaptation of immigrants from cold climates to hot arid climate - ScienceDirectDrivers of diversity in human thermal perception – A review for holistic comfort models - PMC
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