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.
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/
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.
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
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
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 patie...
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 e...
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 int...
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 co...
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/
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.
Show notes available at https://sigmanutrition.com/episode400/
Subscribe to Danny's free weekly email, the Sigma Synopsis at: https://sigmanutrition.com/synopsis/
Support the podcast on Patreon at: https://www.patreon.com/sigmanutrition
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/
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 o...
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/
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 w...
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 ...
Gar Benn is the Head of Coaching at Sigma Nutrition, where he works with nutrition coaching clients and oversees the coaching services.
He is the owner of CityGym Limerick, a powerlifting-centric gym in Ireland. And he is also the co-founder of the European Powerlifting Confernce and Titan Ireland.
Gar is a qualifed nutrition coach and has completed courses in Motivational Interviewing and Acceptance and Commitment Therapy (ACT).
Vitamin D status is linked to a variety of health outcomes, and avoiding or correcting deficiency is important. However, does supplementing with vitamin D actually benefit most people? Is there evidence for supplementation improving health outcomes like mortality, cancer risk, depression or other outcomes? In this episode Danny and Alan look at intervention trials of vitamin D supplementation.
Show notes available at: sigmanutritio...
Dr. Clare Pettinger is a Registered Dietitian, Public Health Nutritionist and experienced educator. Dr. Pettinger publishes research in the public health nutrition field, and lectures at the Universtity of Plymouth, UK.
Dr. Pettinger is actively engaged in community-focussed research around food systems, poverty and social justice. She is an enthusiastic 'sustainability advocate' involved in promoting environmentally susta...
In this episode Danny and Alan discuss the three primary models used to explain body mass regulation: 1) Set Point Model, 2) Settling Point Model, 3) Dual Intervention Model. They discuss the role of feedback systems, environment, behaviour, as well as discussing both the "thrifty gene hypothesis" and John Speakman's "drifty gene hypothesis".
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