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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

01:43:33

#414: Will Machine Learning Overtake Traditional...

Sigma Nutrition Radio ·

2021/11/24

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 current limitations of traditional methods, studies on its use so far, potential applications in future trials, and potential limitations or problems with the increased use of data science (including ethical and societal concerns). They also ponder on how tech is currently being used (and abused) in

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54:20

#413: Anthony Fardet, PhD – Nutritional Reductionism,...

Sigma Nutrition Radio ·

2021/11/16

" data-userid="424351203778215936" data-orgid= "425311536639447040">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 reductionist and holistic approaches applied to nutrition research, the relevance of a new classification of foods based on their degree of processing, and the role of the complex structure of the food in its health potential ("matrix

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47:50

#412: Eirini Dimidi, PhD – Diet, Chronic Constipation...

Sigma Nutrition Radio ·

2021/11/09

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 Dietitian. In 2016, she was appointed as a Research Associate at King’s College London, where she undertook several research projects on the impact of nutritional interventions in gut function and dysfunction. Dr. Dimidi is undertaking research on nutrition-based interventions, including fibre, plant foods,

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01:29:42

#411: Bone Health & Nutrition

Sigma Nutrition Radio ·

2021/11/02

Click here to subscribe to Sigma Nutrition Premium 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 osteoporosis, how nutrients play a role in bone remodelling, and the evidence of dietary and supplementation trials on bone health outcomes. You can find the show notes, with links to all the reference studies, at https://sigmanutrition.com/episode411/ Click here to subscribe to Sigma Nutrition Premium

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01:22:03

#410: Q&A: Sodium, Protein, Quackery Tactics & More!

Sigma Nutrition Radio ·

2021/10/26

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 for healthspan? [10:42] Luis Arrondo - Can I do 3 rather than 4 meals or more for protein absorption by increasing grams of protein? How many grams of protein can be absorbed at one sitting. Does taking in protein at night help more absorption of protein? If so, something slower, like milk over whey

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54:11

#409: Simon Hill – Shifting Towards a Healthier Diet

Sigma Nutrition Radio ·

2021/10/19

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, and a number of other topics. Find the show notes at sigmanutrition.com/episode409/

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01:11:39

#408: Mario Kratz, PhD – Is Eating Full-fat Dairy,...

Sigma Nutrition Radio ·

2021/10/12

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. He is a former research associate professor at the University of Washington in the departments of Medicine and Epidemiology. And is also formerly an Associate Professor at the Fred Hutchinson Cancer Research Center in Washington state. You can find the show notes at sigmanutrition.com/episode408/ or you

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52:47

#407: Polyphenols - Impact on Blood Pressure,...

Sigma Nutrition Radio ·

2021/10/05

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 about some potential mechanisms and then several specific randomized, controlled trials. You can find the show notes at sigmanutrition.com/episode407/ and you can support the podcast on patreon.com/sigmanutrition

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01:30:07

#406: Polyphenols & Cognitive Health

Sigma Nutrition Radio ·

2021/09/28

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 mechanisms, cohort studies, and then direct controlled trials. You can find the show notes at sigmanutrition.com/episode406/ and/or support the podcast at patreon.com/sigmanutrition

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01:03:09

#405: Adrian Brown, PhD - Dietary Strategies in Type...

Sigma Nutrition Radio ·

2021/09/21

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 over 15 years of clinical experience and a PhD in Medicine from Imperial College London. His research interests centre around obesity, type 2 diabetes, bariatric surgery, weight stigma and the use of formula-based diets in different patient populations. He is an Honorary Academic for Public Health England

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46:24

#404: Prof. Marion Hetherington – Psychology and...

Sigma Nutrition Radio ·

2021/09/14

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 Hopkins, the NIH, the University of Dundee, University of Liverpool and Glasgow Caledonian University, before taking up her role in Leeds in 2008, where she works within the Human Appetite Research Unit. You can find the show notes to this episode at sigmanutrition.com/episode404/ and you can support the

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53:45

#403 Prof. David Jacobs – Food Synergy & The Top-Down...

Sigma Nutrition Radio ·

2021/09/07

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 epidemiology and health epidemiolgy for decades. A number of his papers have brought up crucially important ideas about how to do good nutrition science. Specifically, he has talked about think of whole diet or foods as the exposure of interest, rather than individual nutrients. Essentially warning against

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52:52

#402: Prof. Leanne Redman – Pregnancy, Maternal Diet...

Sigma Nutrition Radio ·

2021/08/31

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 Health Laboratory, she is focused on understanding the intergenerational transmission of obesity. She has published on maternal diet, preeclampsia, and gestational diabetes, amoung other issues. She and her colleagues are currently conducting a rigorous trial to determine the effects of a 6-month

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01:34:03

#401: Quack Asylum – Part 2: Greger, Berg & Saladino

Sigma Nutrition Radio ·

2021/08/24

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 available at sigmanutrition.com/episode401/ If you wish to support the podcast you can do so via patreon.com/sigmanutrition/

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01:29:23

#400: Quack Asylum – Part 1: Malhotra & DiNicolantonio

Sigma Nutrition Radio ·

2021/08/17

Links: Go to episode page Receive Danny's free emails Subscribe to Sigma Nutrition Premium About This Episode: To celebrate our 400th episode, we take a look at two "quacks" who spread misinformation; Dr. Aseem Malhotra and Dr. James DiNicolantonio. We give reference to some specific examples.

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45:17

#399: Prof. James Betts – Does Fasting Have Benefits...

Sigma Nutrition Radio ·

2021/08/10

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 trials to study the effects of nutrition on metabolic regulation. His group recently published a trial aiming to separate out the effects of fasting from those of calorie restriction. Show notes at sigmanutrition.com/episode399/

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46:49

#398: Carole Hooven, PhD – Testosterone: Behavioural...

Sigma Nutrition Radio ·

2021/08/03

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 endocrinology and evolution of sex differences in humans (physiology, behavior and cognition). She has recently written a book on how testosterone influences behaviour and explains many sex differences. The book is titled 'T: The Story of Testosterone, the Hormone that Dominates and Divides Us'. Show notes

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58:59

#397: Dietary Nitrates & Nitrites

Sigma Nutrition Radio ·

2021/07/27

In this episode Danny & Alan discuss the impacts of nitrates and nitrites on health. They look at the beneficial impacts of dietary nitrate, as well as issues around nitrites in processed meat. Show notes available at sigmanutrition.com/episode397/

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35:46

#396: Leigh Frame, PhD – Nutrient Trials: RCT Design,...

Sigma Nutrition Radio ·

2021/07/20

Dr. Leigh Frame, PhD is Director of Integrative Medicine at George Washington School of Medicine and Health Sciences in Washington DC. Dr. Frame received her PhD in Human Nutrition, as well as a Master of Health Science degree in Molecular Microbiology and Immunology, from the Johns Hopkins Bloomberg School of Public Health. In this episode we discuss a range of topics including: the role of placebo groups and the different types we see in nutrient supplementation trials, potential ethical issues,

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30:47

#395: Prof. Carel le Roux – Current Thinking in...

Sigma Nutrition Radio ·

2021/07/14

Professor le Roux is an expert in metabolic medicine and is currently a Professor of Experimental Pathology, University College Dublin. He is recognised as a world leader in metabolism and obesity. Professor le Roux’s clinical focus is in the management of Type 2 diabetes, pre-diabetes, obesity, cardiovascular risk and other metabolic disorders. Professor Carel le Roux has been published extensively and currently holds a number of editorial roles for journals in his field including, Clinical Obesity

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