Sigma Nutrition Radio
Discussions about the science of nutrition, dietetics and health. The podcast that educates through nuanced conversations, exploring evidence and cultivating critical thinking. Hosted by Danny Lennon.
- Update frequency
- every 7 days
- Average duration
- 55 minutes
- Episodes
- 592
- Years Active
- 2014 - 2025
#417: Austin Baraki, MD – What Do Nutrient Blood Tests Actually Tell Us?: Understanding Biomarkers
Dr. Austin Baraki joins Danny and Alan to critically evaluate the assumption that blood levels of a nutrient directly tell us about overall nutritional status. With many people getting blood tests do…
#416: David Nunan, PhD – Evidence-Informed Health Care: Evidence-based Medicine 2.0
Dr. David Nunan, PhD is a Lecturer and Senior Research Fellow in the Centre for Evidence-Based Medicine at the University of Oxford. There, he is the Director of the Postgraduate Certificate in 'Teac…
#415: Prof. Bruce Neal – Can Salt Substitutes Reduce Cardiac Events & Death?
Bruce Neal is Executive Director at The George Institute for Global Health Australia; and Professor of Medicine, UNSW Sydney.
Prof Neal is a UK-trained physician who has 25 years’ experience in clini…
#414: Will Machine Learning Overtake Traditional Nutrition Research Methods?
In this episode, the Sigma team discuss the claim that machine learning and data science may overtake traditional research methods in nutrition. They discuss how machine learning could solve some cu…
#413: Anthony Fardet, PhD – Nutritional Reductionism, the Food Matrix & Impact of Processing
Anthony Fardet, PhD is a nutrition science researcher in the Human Nutrition Unit at Université Clermont Auvergne, France. His work has focused on a number of related areas; the consequences of the r…
#412: Eirini Dimidi, PhD – Diet, Chronic Constipation and the Gut
Dr. Eirini Dimidi of King’s College London discusses the research on diet in chronic constipation and functional bowel disorders. Dr. Dimidi is a Lecturer in Nutritional Sciences and a Registered Die…
#411: Bone Health & Nutrition
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In this episode Alan and Danny discuss the role of nutrition in bone health. They cover the importance of bone health, bone disorders such as osteop…
#410: Q&A: Sodium, Protein, Quackery Tactics & More!
In this episode Alan and Danny answer a variety of questions sent in from listeners.
Questions:
[1:10] Gabriel - Is there any benefit to including SFAs and cholesterol in low quantities in our diets …
#409: Simon Hill – Shifting Towards a Healthier Diet
In this episode nutritionist Simon Hill discusses the barriers to eating a healthy diet, steps that can be taken to shift both individuals and the general population to a healthier dietary patten, an…
#408: Mario Kratz, PhD – Is Eating Full-fat Dairy, Low-fat Dairy, or No Dairy Better for Cardiometabolic Health?
Dr. Mario Kratz is a clinical researcher in the areas of nutrition, obesity, and cardiometabolic disease, with more than 20 years of experience running clinical studies in a variety of populations. H…
#407: Polyphenols - Impact on Blood Pressure, Endothelial Function & Heart Disease Risk
In this episode we discuss the potential impact of dietary polyphenols on cardiovascular disease risk; including impacts on blood pressure, flow-mediated dilation, and other related outcomes. We talk…
#406: Polyphenols & Cognitive Health
In this episode we discuss the potential impact of dietary polyphenols on cognitive health; including cogitnitve funciton, memory, and risk of dementia and Alzeimher's. We talk about some potential m…
#405: Adrian Brown, PhD - Dietary Strategies in Type 2 Diabetes
Dr Adrian Brown is a NIHR Lecturer and Research Fellow in the Centre of Obesity Research at University College London. He is also a senior Specialist Weight Management and Bariatric dietitian with ov…
#404: Prof. Marion Hetherington – Psychology and Development of Food Preference & Eating Behaviour
Prof. Marion Hetherington is Professor of Biopsychology at University of Leeds, where her research is focused on the psychology of appetite across the lifespan. She has previously been at Johns Hopki…
#403 Prof. David Jacobs – Food Synergy & The Top-Down Approach to Nutrition Research
Prof. David Jacobs, PhD is Professor of Public Health, in the Division of Epidemiology and Community Health, at the University of Minnesota. He has published highly inflential work in nutritional epi…
#402: Prof. Leanne Redman – Pregnancy, Maternal Diet & Intergenerational Transmission of Obesity
Prof. Leanne Redman is a Professor of Reproductive Endocrinology & Women’s Health, based at the Pennington Biomedical Research Center. As the director of the Reproductive Endocrinology and Women’s He…
#401: Quack Asylum – Part 2: Greger, Berg & Saladino
We take a look at three more "quacks" who spread misinformation; Dr. Michael Greger (01:21), Eric Berg (36:26), and Dr. Paul Saladino (55:18). We give reference to some specific examples.
Show notes …
#400: Quack Asylum – Part 1: Malhotra & DiNicolantonio
Links:
About This Episode:
To celebrate our 400th episode, we take a look at two "quacks" who spread misinformat…
#399: Prof. James Betts – Does Fasting Have Benefits Beyond Those Caused By Calorie Restriction?
James Betts is Professor of Metabolic Physiology at the University of Bath, where he is Co-Director of the Centre for Nutrition, Exercise & Metabolism. His research employs randomised controlled tria…
#398: Carole Hooven, PhD – Testosterone: Behavioural Endocrinology & Sex Differences
Carole Hooven, PhD, is lecturer and codirector of undergraduate studies in the Department of Human Evolutionary Biology at Harvard University. She earned her PhD at Harvard, studying behavioral endoc…