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#353: James Hébert, ScD – Dietary Inflammatory Index

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information James Hébert, ScD 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 …

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#352: Do Diets Even Work in the Long-term? – A Look at Weight Loss Maintenance

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Today’s Topic in Focus: Weight Regain vs Weight Loss Maintenance [02:56] Pownall et al., 2015 – Changes in Body Composition over Eight Years in a Randomized Trial of a Lifestyle Intervention: The Look AHEAD Study Purcell et al., 2014 – The effect of rate of weight loss on long-term weight management: a randomised controlled trial Thomas et al., 2014 – Weight-loss maintenance for 10 years in the National Weight Control Registry “I Have …

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#351: Prof. Glenn Gibson – Human Gut Bacteriology, Prebiotics & Probiotics

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Prof. Glenn Gibson, PhD 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, …

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#350: Peter Olusoga, PhD & Hugh Gilmore – Coaching Burnout: The Research & Applied Psychology

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Peter Olusoga, PhD 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. In addition to research, Peter is a Chartered Psychologist with the British Psychological Society (BPS), and is an active sport psychology consultant, working with athletes and teams in a variety of sports. Hugh Gilmore …

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#349: Prof. Naomi Allen – How the UK Biobank is Powering Chronic Disease Research

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Name 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 …

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#348: Omega-3 Supplementation & Heart Disease

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Today’s Topic in Focus: Omega-3 Supplementation & Heart Disease [01:52] 2018 Cochrane Review ASCEND Trial VITAL Trial REDUCE-IT GISSI-Prevenzione Hu et al., 2019 Meta-analysis “I Have a Question!” [66:30] Today’s listener question: “What do you guys think of the new obesity guidelines (UK government plan)?” Details: UK government press release Quack Asylum [87:00] Is a gram of PUFA in chicken worse than 250g of sugar from honey? <blockquote class=”instagram-media” data-instgrm-captioned data-instgrm-permalink=”https://www.instagram.com/p/CDm_UTln41Q/?utm_source=ig_embed&amp;utm_campaign=loading” data-instgrm-version=”12″ style=” …

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#347: Alex Thomas – Advancing the Sports Nutritionist Profession

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Alex Thomas 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 …

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#346: Kathryn Bradbury, PhD – Diet & Colorectal Cancer Risk

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Kathryn Bradbury, PhD 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 …

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#345: Rebecca Leech, PhD – Impact of Meal Patterning on Diet Quality & Health

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Rebecca Leech, PhD Dr. Rebecca Leech is a Registered Nutritionist and Nutritional Epidemiologist, funded by an Alfred Deakin Postdoctoral Fellowship and based at Deakin’s Institute for Physical Activity and Nutrition. She is also the Student Mentoring Chair for the Nutrition Society of Australia. 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 …

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

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Professor Martin Caraher, PhD 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 …

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#343: Understanding Causality in Nutrition Science

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreGet Sigma Synopsis Emails Today’s Topic in Focus: Understanding Causality in Nutrition Science Inferring causality vs demonstrating causality Hierarchy of evidence vs. standards of proof The need for correlation, time precedence and non-spuriousness Reductionism and erroneous application of the biomedical model to nutrition The false causality dichotomy: RCTs vs. epidemiology Understanding what the “highest quality evidence available” is How nutritional epidemiology can infer causality Links: Deaton & Cartwright, 2018 – Understanding and misunderstanding randomized controlled trials Dawson-Hughes & Harris, …

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#342: Are Vegan Diets Superior for Health?

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreGet Sigma Synopsis Emails In this episode we discuss: Today’s Topic in Focus: Vegan Diets & Human Health Defining “plant-based” diets Examination of various intervention trials comparing diets Is veganism suitable across the lifestage? Benefits of a vegan diet Are there benefits to excluding animal products? Can the benefits of a vegan diet be gleaned whilst including animal foods? Nutrient considerations if deciding to eat vegan: a well-forumulated vegan diet Should athletes consider: creatine, carnosine, carnitine, leucine, etc.? Links: …

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#340: Ethics of Veganism & Omnivorism (Part 4) – Diana Rodgers, RD & Robb Wolf

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information 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 Rodgers, RD 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 …

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#339: Prof. Corinna Hawkes – Food Policy, Food Systems & Public Health

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Prof. Corinna Hawkes 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 …

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#338: Ethics of Veganism & Omnivorism (Part 3) – Alex O’ Connor

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Alex J. O’Connor 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 …

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

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Prof. Paul Thompson, PhD 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 …

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#336: Ethics of Veganism & Omnivorism (Part 1) – Andrew Chignell, PhD

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Prof. Andrew Chignell 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. …

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#335: Kyra Bobinet, MD – Systems, Dietary Behaviour Change & the Iterative Mindset

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Kyra Bobinet, MD, MPH 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 …

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#334: Austin Baraki, MD – Potential Harms of Screening, Overdiagnosis and Overtreatment

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Austin Baraki, MD Dr. Austin Baraki 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. In this episode we discuss: What do we want from a screening test? What criteria …

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#333: Diet & Immunity

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreGet Sigma Synopsis Emails In this episode we discuss: Today’s Topic in Focus: Immune Function & Diet Innate and adaptive immune response How does body composition impact immune function? Will a calorie deficit or fasting decrease immunity? Vitamins A, C, D. Supplementation with zinc: yes or no? Eating “to support the immune system” Exercise and immunity Environmental factors in infancy Links: Sigma Statement: Nutrition & Immune Function I Have a Question! Today’s Member Question: “The immune appears malleable in …

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#332: Prof. Sam McConkey – COVID-19: Public Health Response, Clinical Presentation & Socioeconomics

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Prof. Samuel McConkey, Prof. Sam McConkey is a doctor and researcher specializing in the prevention and control of infectious diseases. Currently he is Associate Professor and Head of the Department of International Health and Tropical Medicine at the Royal College of Surgeons in Ireland. He is also a Consultant in General Medicine, Tropical Medicine and Infectious Diseases at Beaumont Hospital Dublin. Previously Prof. McConkey was a Research Fellow in Infectious Disease …

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#331: Prof. Roy Taylor – Diabetes Remission, Very-low Calorie Diets & the Twin Cycle Hypothesis

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Prof. Roy Taylor, MB ChB, MD Roy Taylor is Professor of Medicine and Metabolism at the University of Newcastle in the UK. There he is also director of the Newcastle Magnetic Resonance Centre. Prof. Taylor is an Honorary Consultant Physician at Newcastle Acute Hospitals NHS Trust. Since publishing his “twin cycle” hypothesis of type 2 diabetes in 2008, Prof. Taylor and colleagues have published several fascinating studies with potentially large implications …

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#330: Eric Trexler, PhD – Antioxidants, Oxidative Stress & Exercise Adaptations

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreListen on these Apps Podcast Transcripts Guest Information Eric Trexler, PhD Eric Trexler is Director of Education at Stronger By Science, where he co-hosts the SBS podcast. He also is one of the four contributors to the MASS Research Review. Eric has a prolific background in exercise science research, with more than 30 publications to his name by the time he completed his PhD at UNC-Chapel Hill. In this episode we discuss: Antioxidants, free radicals, reactive oxygen species (ROS) …

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#329: Diet & Inflammation

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreGet Sigma Synopsis Emails In this episode we discuss: Today’s Topic in Focus: Inflammation & Diet Defining inflammation Acute vs. chronic inflammation Local vs. systemic inflammation Does inflammation “cause” chronic disease? Does a poor diet cause chronic inflammation? Are some diets “anti-inflammatory”? Specific nutrients and claims of causing inflammation: PUFA, sugar, dairy, wheat, etc. Links: The Dietary Inflammatory Index (DII) Sydney Diet Heart Study Commentary on: Minnesota Coronary Experiment I Have a Question! Today’s Member Question: “Is the carcinogenic …

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#328: Meeta Singh, MD – Sleep, Immunity & Mental Health

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreFind the podcast on your app of choice here Guest Information Meeta Singh, MD Dr. Meeta Singh is a board-certified sleep medicine doctor and is currently the service chief of the sleep medicine at the Henry Ford sleep laboratory in Michigan. She did her training in psychiatry at the Mayo clinic and a sleep fellowship at the Henry Ford hospital. She is board-certified by the American Board of Psychiatry and Neurology as a psychiatrist and sleep medicine sub-specialist. In …

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#327: David Dunne – Behavioural Science in Nutrition

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreFind the podcast on your app of choice here Guest Information David Dunne David’s a Performance Nutritionist with a track record in developing and delivering nutrition programmes to elite athletes, teams, Olympians and sports legends – all over the globe. He has worked in elite sport with PGA Tour golfers and various teams including Harlequins (rugby union), Bradford Bulls (rugby league) and Queens Park Rangers (soccer). David is currently completing PhD out of Liverpool Johns Moores University in the …

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#326: Krista Scott-Dixon, PhD – Adaptability & Autonomy in the Nutrition Coaching Process

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreFind the podcast on your app of choice here Guest Information Krista Scott-Dixon, PhD Dr. Krista Scott-Dixon is a former university professor and researcher who now designs curriculum for Precision Nutrition. She focuses on helping people make meaningful change through the Precision Nutrition Coaching and coaching Certification programs. Krista is also the author or co-author of several books, with the latest being Why Me Want Eat: Fixing Your Food Fuckedupitude. In this episode we discuss: Not mistaking the metrics …

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#325: Kirk Parsley, MD – Stress, Sleep & Anxiety During a Pandemic

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreFind the podcast on your app of choice here Guest Information Dr. Kirk Parsley Doc Parsley is a former SEAL, and received his Medical Degree from Bethesda, Uniformed Services University of Health Sciences (USUHS) in 2004. He served as an Undersea Medical Officer at Naval Special Warfare Group One from 2009 – 2013. While there, he led the development and supervised the group’s first Sports Medicine Rehabilitation center. Doc Parsley has been a member of the American Academy of …

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#321: Dave Feldman & Alan Flanagan – Debating LDL Causality & the “Lipid Triad”

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreFind the podcast on your app of choice Guest BioDave Feldman Dave Feldman is a software engineer and runs the Cholesterol Code website. In 2015 Dave adopted a low-carb high-fat diet, which improved his overall health. However, upon seeing his LDL-cholesterol skyrocket, he set out learn all he could about blood lipids and health. Dave has gained prominence as a “LDL-skeptic” and promoter of his “lipid triad” hypothesis. This lipid triad relates to a situation where one sees high LDL-C, …

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#317: Understanding Diet & Heart Disease Risk

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreFind the podcast on your app of choice In This Episode We DiscussThis episode is a supplemental/follow-up episode to the ‘Diet & Cardiovascular Disease’ Series of Sigma Statements. If you have not read those statements, you can find them here: Cholesterol, Lipoproteins & Lipids: Understanding CVD Risk The Impact of Diet on Blood Lipids How Diet Influences Heart Disease Risk In this podcast Danny and Alan will be re-capping the main important points from each statement, in addition to addressing …

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#294: Nicola Guess, PhD, RD – Prediabetes & Type 2 Diabetes Nutrition

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreFind the podcast on your app of choice Guest BioNicola Guess, PhD, RD Nicola Guess is a Registered Dietitian with a PhD in the dietary management of prediabetes from Imperial College London. She is currently Head of the Nutrition Unit at Dasman Diabetes Institute (DDI) in Kuwait. Nicola is a research fellow at King’s College London where her research focuses on the role of diet in the prevention and management of type 2 diabetes. She has a particular interest in …

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SNR #265: Lessons From Experts – Prediabetes, Autophagy, Relative Energy Deficiency and Carbohydrate Periodization

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreAbout This EpisodeThe Sigma Live Sessions include four topic discussions on: 1) Dietary Interventions in Prediabetes & Diabetes – Nicola Guess, PhD 2) Fuelling Elite Sport Performance, Carbohydrate Periodization & Pracitioner Experiences – James Morton, PhD 3) Relative Energy Deficiency & Female Athlete Triad – Kirsty Elliot-Sale, PhD 4) Fasting for Health? Longevity, Autophagy and More – Martin MacDonald, MSc Full interviews: Kirsty Elliot-Sale, PhD – Energy Availability, Menstrual Disorders & RED-S James Morton, PhD – Fuelling Elite Sport: …

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SNR #253: Listener Q&A

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Podcast: Play in new window | Download | EmbedSubscribe: Apple Podcasts | Android | Google Podcasts | Stitcher | RSS | MoreDanny answers questions submitted by podcast listeners. To submit yours, go to sigmanutrition.com/question