Sigma Nutrition Radio

By Danny Lennon

What's Sigma Nutrition Radio about?

SIGMA Nutrition Radio: a place where people interested in self-educating themselves in order to take control of their own health, body and performance can get access to honest, science-backed information and opinions from leading experts.

Every week the show features deep-diving interviews with amazing guests with expertise in different areas related to nutrition, health, performance, mindset and living life to its fullest potential.

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#352: Do Diets Even Work in...

09.15.2020

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 ...

Sigma Nutrition Radio episodes:

09.15.2020 #352: Do Diets Even Work in the Long-term? - A Look at Weight Loss Maintenance 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 ...
09.08.2020 #351: Prof. Glenn Gibson - Human Gut Bacteriology, Prebiotics & Probiotics 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. ...
09.02.2020 #350: Peter Olusoga, PhD & Hugh Gilmore – Coaching Burnout: The Research & Applied Psychology 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 ...
08.26.2020 #349: Prof. Naomi Allen – How the UK Biobank is Powering Chronic Disease Research 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 ...
08.19.2020 #348: Omega-3 Supplementation & Heart Disease 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 ...
08.12.2020 #347: Alex Thomas - Advancing the Sports Nutritionist Profession 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 ...
08.04.2020 #346: Kathryn Bradbury, PhD – Diet & Colorectal Cancer Risk 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 ...
07.29.2020 #345: Rebecca Leech, PhD – Impact of Meal Patterning on Diet Quality & Health 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 ...
07.22.2020 #344: Prof. Martin Caraher – Food Poverty & Food Aid Provision 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 ...
07.16.2020 #343: Understanding Causality in Nutrition Science 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 ...
07.07.2020 #342: Are Vegan Diets Superior for Health? 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 ...
07.01.2020 #340: Ethics of Veganism & Omnivorism (Part 4) – Diana Rodgers, RD & Robb Wolf 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 ...
06.26.2020 #339: Prof. Corinna Hawkes - Food Policy, Food Systems & Public Health 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 ...
06.21.2020 #338: Ethics of Veganism & Omnivorism (Part 3) - Alex 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 ...
06.16.2020 #337: Ethics of Veganism & Omnivorism (Part 2) – Prof. Paul Thompson 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 ...
06.10.2020 #336: Ethics of Veganism & Omnivorism (Part 1) – Andrew Chignell, PhD 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. ...
06.04.2020 #335: Kyra Bobinet, MD – Systems, Dietary Behaviour Change & the Iterative Mindset 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 ...
05.28.2020 #334: Austin Baraki, MD – Potential Harms of Screening, Overdiagnosis and Overtreatment 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. ...
05.20.2020 #333: Diet & Immunity 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 ...
05.15.2020 #332: Prof. Sam McConkey – COVID-19: Public Health Response, Clinical Presentation & Socioeconomics 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 ...
05.05.2020 #331: Prof. Roy Taylor – Diabetes Remission, Very-low Calorie Diets & the Twin Cycle Hypothesis 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. ...
04.28.2020 #330: Eric Trexler, PhD – Antioxidants, Oxidative Stress & Exercise Adaptations 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 ...
04.20.2020 #329: Diet & Inflammation In this episode Danny & Alan discuss: 1) Today's Topic in Focus: Inflammation & Diet. 2) Today's Member Question: "Is the carcinogenic risk of this high enough that I should be throwing them away and starting again?. 3) Being consigned ...
04.14.2020 #328: Meeta Singh, MD – Sleep, Immunity & Mental Health 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 ...
04.08.2020 #327: David Dunne – Behavioural Science in Nutrition 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 ...
04.03.2020 #326: Krista Scott-Dixon, PhD – Adaptability & Autonomy in the Nutrition Coaching Process 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 ...
03.29.2020 #325: Kirk Parsley, MD - Stress, Sleep & Anxiety During a Pandemic Dr. Kirk 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. ...
03.24.2020 #324: Fatima Cody Stanford, MD – Obesity Treatment & Weight Bias Dr. Fatima Cody Stanford is an obesity medicine physician, scientist, educator, and policy maker at Massachusetts General Hospital and Harvard Medical School. She is a national and international sought after expert in obesity medicine who bridges the intersection of medicine, ...
03.17.2020 #323: COVID-19 & SARS-CoV-2 with Rizwan Sohail, MD Dr. Rizwan Sohail is an infectious disease specialist based at the Mayo Clinic, where he holds a joint appointment with the divisions of Infectious Diseases and Cardiovascular Diseases. He completed his internship and residency in internal medicine at Michael Reese ...
03.12.2020 #322: Dominic Munnelly – Coaching People To Health: Philosophy, Empathy & Community Dominic Munnelly is one of Ireland’s leading personal trainers having worked in the business for over 20 years. He has supported many clients on their health and fitness journey advising them on training, nutrition, mobility and wellness and in the ...
02.25.2020 #321: Dave Feldman & Alan Flanagan – Debating LDL Causality & the “Lipid Triad” 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 ...
02.18.2020 #320: Hannah Ritchie, PhD – Environmental Impacts of our Diet: Climate, Carbon Footprint & Land Use Hannah Ritchie is a researcher at the University of Oxford, working at the online publication OurWorldinData.org. The publication aims to present empirical research on how the world is changing through the use of interactive data visualisations and explainers. Her research ...
02.11.2020 #319: Women in Science: Past Guests as Role Models in Nutrition The release of this episode coincides with the International Day of Women and Girls in Science, which has taken place annually on the 11th February, since 2016. The day recognizes the critical role women and girls play in science and ...
02.04.2020 #318: Chris Melby, PhD – Impact of Energy Flux on Weight Loss Maintenance Dr. Chris Melby is a Professor in Food Science and Human Nutrition at Colorado State University. He has a long-standing research focus on the interplay between dietary eating patterns and exercise/physical activity in regard to energy metabolism and positive and ...
01.28.2020 #317: Understanding Diet & Heart Disease Risk This 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 on sigmanutrition.com his episode is sponsored by Legion Athletics. Get 20% off your ...
01.22.2020 #316: Michael Grandner, PhD – Societal, Social & Psychological Influences on Sleep Dr. Michael Grandner is the Director of the Sleep and Health Research Program and an Assistant Professor in the Department of Psychiatry in the University of Arizona College of Medicine – Tucson. He is Board-Certified in Behavioral Sleep Medicine. His ...
01.15.2020 #315: Samia Mora, MD – Lipids, Lipoproteins & Atherosclerosis Dr. Samia Mora is an Associate Professor of Medicine at Harvard Medical School, Boston, Massachusetts. She is a cardiovascular medicine specialist at the Brigham and Women’s Hospital, where she is the Director of the Center for Lipid Metabolomics. Dr. Mora’s ...
01.09.2020 #314: Q&A – Hemochromatosis, Sodium, Bone Health, & More! [05:00] how should we define calorie restriction in the context of its scientifically observed connection with longevity? [12.30] I'd love to hear your thoughts about the consumption of duck meat. Does it get categorized as red meat consumption in epidemiological ...
01.01.2020 #313: Fergus Connolly, PhD – Authenticity, Elite Human Performance & Getting the Best From Others Dr. Fergus Connolly is one of the world’s foremost human performance thought leaders and influencers, and has applied performance science with leading sports, military, and business teams. He is the only coach to have full times roles in every major ...
12.17.2019 #312: Allison Brager – Sleep Architecture, Chronotypes & Rescuing Performance Dr. Allison Brager is a behavioral neurobiologist with an expertise in sleep and circadian rhythms for the United States Army (active duty), as well as their contributions to psychiatric, neurological, and inflammatory disease states. She is currently the Director of ...
12.10.2019 #311: Andrew Chappell, PhD – Diet Strategies in Elite Natural Bodybuilders Dr. Andrew Chappell is a Lecturer/Researcher at Robert Gordon University, conducting research in sports nutrition, with a specific focus on bodybuilding. Andrew is also a world-class natural bodybuilder with an unprecendented level of national and international success; having 2 Pro ...
12.03.2019 #310: Meeta Singh, MD – Sleep & Circadian Disruption in Pro Athletes: Dealing With the NBA Schedule Dr Meeta Singh is a sleep doctor whose work and research focuses on “coaching the sleep muscle” to help maximize performance in both individual athletes and sports teams. She is the Service chief of the sleep medicine, and section head ...
11.26.2019 #309: Ciaran O’ Regan – Epistemology, Ignorance Navigation & the Error-Correcting Machinery of Science Ciaran O’ Regan is currently a strength & conditioning coach in Cork, Ireland, predominantly working with rugby teams. He recently began a Professional Doctorate under John Kiely of University of Central Lancashire. Ciaran has a BSc. in Sport & Exercise ...
11.19.2019 #308: Robin Tucker, PhD, RD – Impact of Sleep on Taste Perception, Cravings & Food Reward Dr. Robin Tucker is currently an Assistant Professor of Food Science & Human Nutrition at Michigan State University. The Ingestive Behavior Lab at MSU, under Dr. Tucker’s direction, examines the biological and environmental factors that influence human feeding practices.She is ...
11.12.2019 #307: Stephan Guyenet, PhD – Are Popular Nutrition & Health Books Trustworthy, Accurate & Health-Promoting? Stephan Guyenet is an obesity researcher, neurobiologist, and author. In addition to his research, he enjoys synthesizing and communicating science for a general audience over at his hugely successful blog. Stephan has a PhD in neurobiology (University of Washington). He ...
11.05.2019 #306: Daniel Davey – Food Preparation Skills, Being an Effective Nutritionist & Creativity Daniel Davey has worked as a performance nutritionist with a host of elite athletes in a range of sports such as golf, athletics, rugby and GAA. He is perhaps best known for his roles working as a performance nutritionist with ...
10.28.2019 #305: John Berardi, PhD - Be a "Change Maker" in your Health & Fitness Career John Berardi, PhD is best known as the co-founder of Precision Nutrition. He is also the founder of Change Maker Academy, which is devoted to helping people turn their passion for health and fitness into a successful career. Over the ...
10.22.2019 #304: Tommy Wood, MD, PhD – Neurodegenerative Disease, Traumatic Brain Injury & Genetics Dr. Tommy Wood is a Research Assistant Professor at the University of Washington in the Pediatrics Department. esearch focuses on ways to increase resilience of, and treat injury of, the developing brain. He studied biochemistry at Cambridge, received a medical ...
10.15.2019 #303: Brad Dieter, PhD - How Do We Tackle Type 2 Diabetes & Lifestyle-related Chronic Disease? Brad is a trained Exercise Physiologist, Molecular Biologist, and Biostatistician. He completed his a post-doctoral fellowship in translational science at Providence Medical Research Center, where he studied how metabolism and inflammation regulate molecular mechanisms disease and is involved in discovering ...
10.08.2019 #302: Leonie Heilbronn, PhD – Alternate-Day Fasting, Early Time-Restricted Feeding & Caloric Restriction Associate Professor Leonie Heilbronn is the leader of the Obesity and Metabolism group based at the University of Adelaide, Australia. She has a sustained record of translating basic discoveries in nutrition to humans and has contributed to current concepts of ...

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