Sigma Nutrition Radio
The podcast for lovers of nutrition science! Listen to detailed discussions with researchers and leading experts about the science of nutrition, dietetics and health.
Episodes
In a world flooded with claims, advice, and recommendations on how to extend our lifespan, the buzz around various diet approaches, supplement regimens, and lifestyle hacks is deafening. But amidst the noise, one must pause to ponder: Are these claims rooted in science? And perhaps more crucially, are we even asking the right questions or pursuing the correct goals in our quest for longevity?
Join us in our upcoming podcast episode...
Acronyms & Terminology:
- NHS - National Health Service (UK)
- CAMHS eating disorder unit - Child & Adolescent Mental Health Service
- Tier 4 Services - CAMHS services are organized through a tiered system. Tier 4 is the highest on the hierarchy and relates to highly specialized or inpatient services.
- NG Feed - nasogastric (NG) tubes
- MDT decision - multidisciplinary team (MDT) decision-...
Links:
- Course: Applied Nutrition Literacy
- Subscribe to Premium
- Go to episode page (study links, bio, etc.)
About This Episode:
There has been much debate about the role of nutritional reductionism in research. This approach generally aims to study diet’s effects by breaking down the intricate web of dietary factors into smaller, more manageable ...
Links:
About This Episode:
Sigma Nutrition is ten years old this week!
Over this time, I’m grateful for a wealth of insights garnered from interviews with some of the brightest minds in the field of evidence-based nutrition science.
Through these conversations, I’v...
Links:
About This Episode:
Navigating the vast landscape of research literature, particularly in the realm of nutrition science, presents numerous challenges for readers seeking to extract meaningful insights.
Before diving into research papers, individuals should have a precise understanding of th...
Questions Answered in This Episode:
- [01:22] Do “low-carbers” need less vitamin C?
- [14.56] If you were to advise a company to establish solid workplace health fundamentals, what would you tell them?
- [26.20] Which compounds typically found in animal products would be interesting to supplement for health and performance purposes in vegan/vegetarian populations?
- [40.09] In omega 3 supplementat...
Links:
- Go to episode page
- Subscribe to Premium
- See recommended resources
- Receive the Sigma email newsletter
About This Episode:
The question of whether dietary fat quality causally affects atherosclerosis risk has been a subject of extensive research and debate within the field of nutrition and cardiovascular health.
Atherosclerosis, the build-u...
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About This Episode:
There is a lot of interesting research going on related to plant-derived fatty acids, owing to their potential to help improve health and provide sustainable alternatives to other sources of healthy-promoting fatty acids.
...
Links:
- Go to episode page
- Subscribe to Premium
- Sigma's recommended resources
- Join our email newsletter for free
About This Episode:
Kidney stones, crystalline deposits formed within the kidneys, present a formidable challenge to individuals grappling with their debilitating effects. These mineral accumulations, though small in size, can inflict ...
Acronyms:
- RDA = Recommended Dietary Allowance
- AI = Adequate Intake
- UL = Tolerable Upper Intake Level
- EAR = Estimated Average Requirement
About This Episode:
Links:
- Go to episode page (with episode resources)
- Subscribe to PREMIUM
- Get the Sigma email newsletter
- See Sigma's recommended resources
About This Episode:
Alzheimer’s disease has a profound impact on individuals, families, and societies worldwide. As a progressive neurodegenerative disease, it not only robs individuals of their cognitive abili...
Links:
- Go to episode page (with episode resources)
- Subscribe to Premium
- Receive the Sigma Nutrition newsletter
About This Episode:
Numerous nutrition studies present findings of “no effect,” but interpreting such results requires caution. A null finding, indicating an absence of impact from a nutrient or exposure, may not necessarily suggest a l...
Links:
- Go to episode page (with supporting links/resources)
- Subscribe to PREMIUM
- Learn more about Sigma Nutrition
- Crushing Comparisons course
About This Episode:
Social comparison theory, developed by psychologist Leon Festinger in the 1950s, posits that individuals determine their own social and personal worth based on how they stack up against...
Questions Answered in This Epsiode:
- [02:16] How would you implement a calorie surplus for “bulking” in healthy trainees without compromising their health markers?
- [15:25] If you were to advise someone with a heavy workload and busy schedule on how to establish the 80/20 of a healthy lifestyle, what would you tell them?
- [24:36] Is coconut oil good or bad? What about claims tha...
Links:
- Go to episode page
- Subscribe to Premium
- Sigma's recommended resources
- Bite Me Nutrition – Australia
- Instagram:
About This Episode:
There is no shortage of misleading, confusing and even dangerous nutrition information on the internet. And, unfortunately, much of it can sound very convincing and...
Links:
- Go to episode page (with study links)
- Subscribe to Premium
- Sigma's recommended resources
- Get our weekly email newsletter
About This Episode:
Insufficient energy availability can significantly disrupt normal hormonal, metabolic, and physiological processes, prompting the body to initiate a coordinated response aimed at conserving energy.
W...
Links:
- Episode page (with study links)
- Subscribe to Premium
- Join Sigma email newsletter
About This Episode:
The Portfolio diet is a nutritional approach that has garnered attention for its ability to reduce blood lipids and thus improve cardiovascular health.
While past intervention trials have demonstrated significant reductions in blood lipid...
This episode is one of our Premium-exclusive AMA (ask me anything) episodes, where we answer questions submitted by Premium subscribers.
To listen to the full 90 minute episode, you’ll need to be a Premium subscriber and access the episode on the private Premium feed.
Otherwise, you can hear a preview of the episode here.
Full List of Questions:
- [01:50] How should one interpret the systema...
Links:
- Go to episode page (with links to studies)
- Subscribe to PREMIUM
- Join Sigma's email newsletter
- Sigma's Recommended Resources
About This Episode:
Navigating the intricate landscape of sports nutrition is one that constantly evolves and challenges our understanding of optimal athletic performance.
The delicate balance between advancing resea...
Links:
About This Episode:
The Oslo Diet-Heart Study was one of the earliest randomized controlled trials to explore the relationship between diet and heart disease. It aimed to investigate the impact of dietary interventions, specifically the reduction of sa...
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