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PODCAST

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.

health & fitness nutrition

All Episodes

01:12:38

#354: Problems with the Meta-Analysis in Nutrition

Sigma Nutrition Radio ·

2020/09/29

Danny & Alan discuss issues with using and interpreting meta-analyses in nutritional science, they answer a question about methods of reheating food, and they highlight a recent paper published by quacks that experts have termed a "deception". Today's Topic in Focus [08:50] "I Have a Question!" [53:35] Quack Asylum [59:32] Something Random [66:42] Show notes: https://sigmanutrition.com/episode354

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49:18

#353: James Hébert, ScD – Dietary Inflammatory Index

Sigma Nutrition Radio ·

2020/09/22

Dr. James Hébert is a nutritional and cancer epidemiologist, currently a distinguished Professor at the University of South Carolina. Dr. Hébert’s professional focus for the past several years has been on developing and refining the Dietary Inflammatory Index™ (DII®), which has now been established as an effective research tool. Dr. Hébert is also a Professor in the Department of Epidemiology and Biostatistics, a Professor of Epidemiology at the Medical University of South Carolina, a Professor of

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01:22:34

#352: Do Diets Even Work in the Long-term? - A Look...

Sigma Nutrition Radio ·

2020/09/15

Danny and Alan take a look at the evidence on weight loss maintenance, answer a question about ApoE4, and admit another nonsensical claim into the quack asylum. In this episode: [02:56] Today's Topic in Focus: Weight Regain vs Weight Loss Maintenance [58:56] I Have a Question!: "How does the ApoE4 allele affect lipid metabolism? And how should someone structure their diet around having one or both alleles due to it resulting in higher LDL-C than someone without the gene?" [63:09] Quack Asylum: Irish

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52:51

#351: Prof. Glenn Gibson - Human Gut Bacteriology,...

Sigma Nutrition Radio ·

2020/09/08

Glenn Gibson is Professor of Food Microbiology at University of Reading. He has been researching bacteria in the gut for over 30 years. Together with his colleague Marcel B. Roberfroid, both researchers coined the term prebiotics in their 1995 paper. He has published over 450 research papers and 8 books. He currently researches acute and chronic gut disease, with specific projects on probiotics and prebiotics, gas production, gut microbiota development, gastroenteritis, obsesity and colonic

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01:02:12

#350: Peter Olusoga, PhD & Hugh Gilmore – Coaching...

Sigma Nutrition Radio ·

2020/09/02

Dr Peter Olusoga is a Senior Lecturer in Psychology at Sheffield Hallam University. His current research focuses on stress, burnout and wellbeing in sports, with a particular interest in high-performance environments and elite coaching. Peter is a Chartered Psychologist with the British Psychological Society (BPS). Hugh Gilmore is an accredited sport psychologist with experience working in elite sport in the UK. Hugh has worked with elite athletes across a number of sports, including with the

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46:40

#349: Prof. Naomi Allen – How the UK Biobank is...

Sigma Nutrition Radio ·

2020/08/26

Professor Naomi Allen was appointed Chief Scientist for UK Biobank in 2019, having joined UK Biobank in November 2011 as Senior Epidemiologist. She is Professor of Epidemiology at the Nuffield Department of Population Health, University of Oxford, with a keen research interest in cancer epidemiology. At UK Biobank she is responsible for following-up participants both through linkage with routine health-related datasets, and through web-based questionnaires. She is also involved in developing the

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01:39:38

#348: Omega-3 Supplementation & Heart Disease

Sigma Nutrition Radio ·

2020/08/19

Today's Topic in Focus: Omega-3 Supplementation & Heart Disease [01:52] "I Have a Question!" [66:30]: UK government obesity plan. Quack Asylum [87:00]: Is a gram of PUFA in chicken worse than 250g of sugar from honey? Carnivore cannibalism! Random Recommendations [94:20] SHOW NOTES: https://sigmanutrition.com/episode348/

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43:41

#347: Alex Thomas - Advancing the Sports Nutritionist...

Sigma Nutrition Radio ·

2020/08/12

Alex Thomas is the founder of Sports Nutrition Association (SNA), which is global association that contains Sports Nutrition Australia, Sports Nutrition NewZealand, Sports Nutrition Asia, and Sports Nutrition USA. Alex is an experienced Clinical Accredited Sports Nutritionist. He is the Australasian Ambassador of the ISSN (International Society of Sports Nutrition). He is co-creator of the Metabolic Health Screen (A health risk and contraindication identification and triage system – now imbedded in

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40:15

#346: Kathryn Bradbury, PhD – Diet & Colorectal...

Sigma Nutrition Radio ·

2020/08/04

Dr. Kathryn Bradbury, PhD is a researcher at the University of Auckland, New Zealand. Her research has focused on examining the role of diet in the development of cancer, cardiovascular disease and other non-communicable diseases. Dr. Bradbury spent 5 years in the Cancer Epidemiology Unit at the University of Oxford. There, she worked as a nutritional epidemiologist on large cohort studies, including the European Investigation into Cancer and Nutrition (EPIC), and the UK Biobank. She also has

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46:23

#345: Rebecca Leech, PhD – Impact of Meal Patterning...

Sigma Nutrition Radio ·

2020/07/29

Dr. Rebecca Leech is a Registered Nutritionist and Nutritional Epidemiologist, based at Deakin’s Institute for Physical Activity and Nutrition. Rebecca has a PhD in Nutritional Epidemiology, and in 2018, was awarded an Alfred Deakin Medal for her doctoral thesis, which examined adults’ eating patterns and their associations with diet quality and obesity. Her postdoctoral research, extends on this, and applies novel analytic approaches to understand determinants of food intake at eating occasions and

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01:05:08

#344: Prof. Martin Caraher – Food Poverty & Food Aid...

Sigma Nutrition Radio ·

2020/07/22

Prof. Martin Caraher is Emeritus Professor of food and health policy at Centre for Food Policy at City, University of London. He has worked for and acted as a consultant to the UK Department of Health, the World Bank and the World Health Organisation. He was a member of the original London Food Board which developed the food strategy for London. He is a member of the International Obesity Task Force (IOTF) scientific committee. He also sits on the Safefood Irl scientific committee. Show Notes:

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01:31:59

#343: Understanding Causality in Nutrition Science

Sigma Nutrition Radio ·

2020/07/16

Danny & Alan discuss how to understand causality in nutrition research. The episodes includes: inferring causality vs demonstrating causality, the hierarchy of evidence vs. standards of proof, the erroneous application of the biomedical model to nutrition, RCTs vs. epidemiology, what the “highest quality evidence available” is, and how nutritional epidemiology can infer causality. Episode also includes a listener question, random recommendations and the Quack Asylum! Show notes:

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01:43:08

#342: Are Vegan Diets Superior for Health?

Sigma Nutrition Radio ·

2020/07/07

In this episode Alan and Danny discuss the nutritional science research on vegan diets and human health. Some of the concepts covered include: defining “plant-based” diets, examination of various intervention trials comparing diets, veganism across the lifestage, benefits of a vegan diet, nutrient considerations and lots more. Show Notes: https://sigmanutrition.com/episode342

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55:58

#340: Ethics of Veganism & Omnivorism (Part 4) –...

Sigma Nutrition Radio ·

2020/07/01

Diana Rodgers and Robb Wolf are the co-authors of Sacred Cow, a book exploring the important role of animals in our food system. Diana is a Registered Dietitian living on a working organic farm in New England, where she runs an active nutrition practice. She speaks at universities and conferences internationally about nutrition and sustainability, social justice, animal welfare and food policy issues. She’s just completed work on the new book and film project, Sacred Cow. Robb Wolf

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52:33

#339: Prof. Corinna Hawkes - Food Policy, Food...

Sigma Nutrition Radio ·

2020/06/26

Professor Corinna Hawkes has been working for the past 20 years with UN agencies, governments, NGOs and academia at the local, national and international level to support the design of more effective policies throughout the food system to improve diets and prevent malnutrition in all its forms. She is currently Director of the Centre for Food Policy at City, University of London, UK, a Centre dedicated to shaping a more effective food system through education, research and engagement with the world

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51:21

#338: Ethics of Veganism & Omnivorism (Part 3) - Alex...

Sigma Nutrition Radio ·

2020/06/21

Alex J. O’Connor is founder of the Cosmic Skeptic YouTube channel, podcast and blog; platforms dedicated to the publication of philosophical ideas and debates in an accessible format. He is currently reading for a degree in philosophy and theology at St John’s College, Oxford University. Alex is an impassioned animal rights advocate and religious critic, regularly discussing these topics on his online platforms. He has spoken at conferences internationally and has engaged in debates on ethics and

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33:16

#337: Ethics of Veganism & Omnivorism (Part 2) –...

Sigma Nutrition Radio ·

2020/06/16

Professor Paul B. Thompson holds the W.K. Kellogg Chair in Agricultural, Food and Community Ethics at Michigan State University, where he serves on the faculty in the departments of Philosophy, Community Sustainability and Agricultural, Food and Resource Economics. He received his Ph.D. in Philosophy from the State University of New York at Stony Brook and has held posts at Texas A&M University and Purdue University. Thompson’s research and teaching has focused on ethical and philosophical topics in

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49:54

#336: Ethics of Veganism & Omnivorism (Part 1) –...

Sigma Nutrition Radio ·

2020/06/10

Andrew Chignell is a professor at Princeton, with appointments in Religion, Philosophy, and the University Center for Human Values. He was previously an associate professor at Cornell and a professor at University of Pennsylvania. He received his PhD from Yale. Chignell’s work to date focuses on Immanuel Kant and other modern European philosophers, philosophy of religion, the moral psychology of hope and despair, and the ethics of belief. He also has an interest in food ethics, and recently

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41:42

#335: Kyra Bobinet, MD – Systems, Dietary Behaviour...

Sigma Nutrition Radio ·

2020/06/04

Dr. Bobinet received her Masters in Public Health at Harvard University, specializing in Healthcare Management, Technology-enabled Behavior Change, and Population Health Management. She received her medical degree from the UCSF School of Medicine. She has also studied in Dr. BJ Fogg’s Persuasive Tech Lab at Stanford. Kyra has founded several healthcare start-ups, spanning behavior health, population health, and mobile health. She has designed behavior change programs, big data algorithms, billion

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01:28:22

#334: Austin Baraki, MD – Potential Harms of...

Sigma Nutrition Radio ·

2020/05/28

Dr. Austin Baraki, MD is an Internal Medicine Physician, based in San Antonio, Texas. He completed his doctorate in medicine at Eastern Virginia Medical School, and Internal Medicine Residency at the University of Texas Health Science Center in San Antonio. He also works as a strength coach and puts out information via Barbell Medicine. Show notes: https://sigmanutrition.com/episode334

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