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#315: Samia Mora, MD – Lipids, Lipoproteins & Atherosclerosis

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Guest BioSamia Mora, MD, MHS 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 research focuses on risk factors and prevention of cardiovascular disease. Dr. Mora received her undergraduate degree from Harvard University, and her medical degree from Harvard Medical School. She completed an internal medicine residency at Massachusetts General Hospital and a cardiovascular disease fellowship at The Johns Hopkins Hospital, where she also obtained a Masters in Health …

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#313: Fergus Connolly, PhD – Authenticity, Elite Human Performance & Getting the Best From Others

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Find the podcast on your app of choice Guest BioFergus Connolly, PhD 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 sport. Fergus has served as Director of Elite Performance for the San Francisco 49ers, Sports Science Director with the Welsh Rugby Union, and Performance Director for University of Michigan Football. He has guided coaches, support staff and players in the NBA, Australian Rules Football and international cricket. Fergus has …

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#300: The Random Episode

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Find the podcast on your app of choice Sigma Nutrition Radio has reached the 300th episode! To mark the occassion, Patreon supporters of the podcast and subscribers to the Sigma Synopsis email were able to submit questions about anything they wished. In this episode, Gar Benn joins me to go through some of the questions submitted. This episode focuses on all the random questions submitted about a range of things, from my schedule to religion to career highlights to living in Ireland, and everything in between! Any nutrition-related questions will be covered in a separate episode.Questions Answered: Which one of your …

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#296: Circadian Entrainment, Chronotypes & Chrononutrition

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Guest BioAlan Flanagan, PhD Alan Flanagan is currently a researcher at the University of Surrey, UK. His research is in the general field of chrononutrition, with a specific focus on how calorie distribution and timing may impact health & energy balance. Alan has a Masters in Nutritional Medicine and a PhD in nutrition from the University of Surrey. In This Episode We Discuss Alan’s current research study Chronotypes: genetic vs. trained How feeding can entrain circadian clocks Circadian alignment vs misalignment Light exposure, light history & inter-individual variation in response to light Current evidence linking nutrition & circadian biology Impacts …

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

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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 the use of low-carbohydrate diets in the management of type 2 diabetes, and leads a research programme investigating dietary modification – including increasing protein or the use of …

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#281: Jake Linardon, PhD – Eating Disorders, Binge Eating & Body Image

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Guest BioJake Linardon, PhD Dr. Jake Linardon is a Lecturer in Psychology at Deakin University, Melbourne Australia. He started working at Deakin in 2018, shortly finishing his PhD at Australian Catholic University (2017). He continues to research into eating disorders, with a primary focus on testing and evaluating a broad range of treatment approaches for eating disorders. In just his short time as a researcher , he has published around 25 peer-reviewed journal articles and book chapters, most of which he principally led and was the first author. He recently joined the editorial board for the International Journal of Eating Disorders, …

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#280: Kirsty Elliot-Sale, PhD – Energy Availability, Menstrual Disorders & RED-S

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Guest BioKirsty Elliot-Sale, PhD Dr Elliott-Sale is an associate professor in female physiology at Nottingham Trent University. There, she is also the Head of the Musculoskeletal Physiology Research Group. She is also responsible for teaching on the undergraduate and postgraduate Sport Science degree programmes. Dr Elliott-Sale teaches mainly in the areas of Exercise Physiology and particularly in Female Physiology, Performance, and Health. In This Episode We Discuss Menstrual disorders: secondary amenorrhea (loss of 3 or more consectively) vs. oligomenorrhea (cycle longer than 45 days), vs.Functional Hypothalamic Amenorrhea (FHA) vs milder symptoms of some dysfunction What is happening on a hormonal …

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#279: Avrum Bluming, MD & Carol Tavris, PhD – Estrogen, Menopause & Misconceptions About Hormone Replacement

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Guest BioAvrum Bluming, MD Avrum Bluming received his MD from the Columbia College of Physicians and Surgeons. He spent four years as a senior investigator for the National Cancer Institute and for two of those years was director of the Lymphoma Treatment Center in Kampala, Uganda. He organized the first study of lumpectomy for the treatment of breast cancer in Southern California in 1978, and for more than two decades he has been studying the benefits and risks of hormone replacement therapy administered to women with a history of breast cancer. Dr. Bluming has served as a clinical professor of medicine …

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#277: Eric Helms, PhD – Non-Quantitative Dieting, Personal Experiments & Optimal Weight Gain for Hypertrophy

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Guest BioEric Helms, PhD Eric is currently a Research Fellow at Auckland University of Technology, New Zealand. His work is focused on training and nutrition interventions that could have implications for bodybuilders, powerlifters and other strength athletes. Eric has many peer reviewed publications and currently has many ongoing research projects and collaborations. Previously, Eric completed his PhD at AUT. He also holds a BS in fitness and wellness, an MS in exercise science, and a MPhil in sports nutrition. For the better part of his career he’s been a coach at 3D Muscle Journey, working with drug free strength and physique competitors …

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#275: Kate Solovieva – Psychology, Empathy & Coping Strategies for Better Coaching

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Guest BioKate Solovieva Kate has both undergraduate and graduate degrees in Psychology and spent time as a psychology professor at a college and university level. She currently is a health & nutrition coach, working for Precision Nutrition, where she has coached over 1,000 people. Now she coaches fitness professionals on how to be better coaches. In This Episode We Discuss Using an understanding of human psychology to improve coaching outcomes how we go about rationalizing our behaviour. How coaches can develop empathy Fitting the diet to your lifestyle: how much leeway/flexible does one give? The best skills a coach can teach …

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#274: James Lindsay, PhD – When Peer-Review Goes Wrong: Lessons From the Grievance Studies Affair

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Guest BioJames Lindsay, PhD James A. Lindsay holds degrees in physics and mathematics, with a doctorate in the latter. His previous books include Dot, Dot, Dot: Infinity Plus God Equals Folly and Life in Light of Death. He has been in the news for submitting, along with Peter Boghossian and Helen Pluckrose, a series of hoax papers to peer-review (seven of which were published) in fields that categorise as “grievance studies”. In This Episode We Discuss The hoax James and his collegues orchestrated How the “grievance studies” fields are published work that is anti-scientific Idea laundering Healthism How these fields …

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#273: Bryan Chung, MD, PhD – Dealing with Science Overwhelm & Improving Your Relationship with Research

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Guest BioBryan Chung, MD Bryan Chung is a methodologist who improves people’s relationship with science. He is a plastic/hand surgeon and PhD research designer. The biggest compliment he’s ever received was from his mentor while in residency. After winning the award for Best Paper by a Resident at a worldwide congress in plastic surgery, his professor said, “You deserve this award because, after four years, I finally understand what you’re talking about.” Bryan has been getting better at helping people understand what he’s talking about since. He won’t shut up about evidence-based practice, and sometimes is invited to not shut …

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#271: Prof. John Hawley – Circadian Metabolomics & Time-Restricted Feeding

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Guest BioJohn Hawley, PhD Prof. Hawley is Director of the Mary MacKillop Institute for Health at Australian Catholic Universtiy in Melbourne, Australia. He has published over 220 scientific manuscripts, written over 100 articles for technical journals and has authored numerous book chapters for exercise biochemistry and sports medicine texts. He is an Associate Editor for Diabetologia and currently sits on the Editorial Boards of many international journals. He is a frequently invited speaker at both National and International scientific meetings. John’s primary research focus includes the interaction of exercise and diet on the regulation of fat and carbohydrate metabolism, particularly …

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#270: Alexander Kolliari-Turner – Anabolic Steroids, Muscle Memory & Advances in Drug Testing

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Guest BioAlexander Kolliari-Turner Alex is currently completing a PhD at the University of Brighton in the UK, investigating the implications of RNA sequencing in the detection of anabolic steroid use and the harnessing of the molecular mechanisms of “muscle memory”. He is currently conducting research aiming to address a hypothesis that suggests that the myonuclei obtained via strength training and anabolic steroid usage are retained and therefore provide long term advantages to steroid users. In This Episode We Discuss The mechanism of hypertrophy via myonuclei accumulation Defining “muscle memory” in relation to myonuclei Animal models that show myonuclei don’t dissappear …

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

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About 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: Team Sky, Liverpool FC & Carbohydrate Periodization Nicola Guess, PhD, RD – Prediabetes & Type 2 Diabetes Nutrition About This EpisodeThe …

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#263: Brenda Davy, PhD – Dietary Assessment Methods in Nutrition Research

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Guest BioBrenda Davy, PhD, RDN Dr. Davy, is a Professor in the Department of Human Nutrition, Foods and Exercise at Virginia Tech. She conducts research investigating the role of diet and physical activity behaviors in the prevention and treatment of obesity and related comorbidities, beverage consumption and weight management, and dietary assessment methodologies. Dr. Davy received a BS in Nutrition in 1989 and an MS in Exercise Physiology in 1992 from Virginia Tech, and a PhD degree in Nutrition from Colorado State University in 2001. Dr. Davy is a Fellow of the American College of Sports Medicine and The Obesity Society, …

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#261: Ari Snaevarsson – Eating Disorder Recovery, Body Positivity & Intuitive Eating

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Guest BioAri Snaevarsson Ari Snaevarsson is a nutrition coach who works primarily with clients who suffer from disordered eating patterns. He also works as a dietetic technician at a residential eating disorder treatment center. In both capacities, he helps clients develop positive relationships with food and their bodies. His book, 100 Days of Food Freedom, outlines a simple, day-by-day process to recovery from one’s eating disorder. In This Episode We Discuss Commonalitites in recovery from the various eating disorders Defining recovery The factors that may increase the probability of that recovery being a success Critical nature of support systems How you …

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#244: Ian Dunican, PhD – Sleep & Impact of Weight Cutting

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Guest BioIan Dunican, PhD Ian is currently the Director and Principal Consultant of Melius Consulting and has a PhD from the University of Western Australia (UWA), where he worked with elite sporting organisations/athletes to optimise sleep, recovery and performance. He is also the Director of Sleep4Performance and an Adjunct Researcher at Monash University, Australia. Ian has worked with elite and highly trained athletes at the Australian Institute of Sport (AIS), West Australian Institute of Sport (WAIS), professional teams in Super Rugby, Australian Rules Football, Basketball, Swimming, Ultrarunners and Martial Arts such as Boxing, & MMA. He is an ultrarunner, completing over …

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#242: Jake Mey, PhD, RD – How Much Sugar is Too Much?

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Guest BioJacob Mey, PhD, RD Jake is a registered dietitan and a human nutrition researcher. His work focuses on diet, muscle & metabolism. He is a Postdoctoral Research Fellow in Integrated Physiology and Molecular Medicine at the Pennington Biomedical Research Center. He is also a contractor in Inflammation and Immunity research at the renowned Cleveland Clinic. In This Episode We Discuss Understanding evidence-based research Can sugar, without caloric excess, still have detrimental health effects? Cleveland Clinic study: effect of wholegrains vs. refined grains on glucose metabolism How much sugar counts as a ‘high intake’? At what intakes we see issues Insulin …

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#241: Elise Facer-Childs, PhD – Circadian Phenotypes, Brain Function & Athletic Performance

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Guest BioElise Facer-Childs, PhD Elise Facer-Childs is currently a Research Fellow at the Centre for Human Brain Health at the University of Birmingham. She has done research on sleep, circadian rhythms and neuroimaging. She works with human participants to uncover the impact that our body clocks can have on brain structure and function, genetics, physiology and performance. Elise has presented her research at an International Conference for the European Biological Rhythms Society (EBRS)/World Chronobiology Congress (WCC) and has given presentations at the UK’s largest circadian conferences (UK Clock Club). In This Episode We Discuss Understanding circadian phenotypes Neuroimaging (fMRI) to …

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SNR #240: Erica Goldstein, RD – Exercise-Associated Anemia, Hepcidin Activity & Implications for Athletes

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Guest BioErica Goldstein, RD, MS Erica is a registered dietitian, currently completing a PhD at the University of Central Florida in Orlando. Previously she was employed as a Clinical and Sports Dietitian at the Mayo Clinic in Jacksonville, Florida, where Erica provided individual sports nutrition consultation to endurance and team sport athletes, in addition to providing care and educating oncology patients in the hospital. She has a M.A. in Exercise Science and Health Promotion from FAU, in addition to a B.S. in Nutrition and Dietetics from UNF. She is also a Certified Strength and Conditioning Specialist with the NSCA, and a Certified Sports Nutritionist …

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#223: Prof. Christopher Gardner – DIETFITS Trial 2018: Low-Fat vs Low-Carb Weight Loss Diets and Effect of Genotype and Insulin Secretion

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Guest BioProf. Christopher Gardner, PhD Prof. Gardner is the Director of Nutrition Studies at the Stanford Prevention Research Center and a professor of medicine at Stanford University. He received his PhD in Nutritional Sciences at the University of California, Berkeley in 1993. His postgraduate training included a postdoctoral fellowship in cardiovascular disease epidemiology at Stanford. Dr. Gardner is passionate about two central questions that keep him up at night and get him to jump out of bed most mornings. The first of these is: What can people eat and drink (or avoid/limit) to optimize their health? Most of his past …

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#221: Should Resistance Training be Prescribed in Medicine? – Jordan Feigenbaum, MD

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Guest BioJordan Feigenbaum, MD Jordan Feigenbaum is an experienced strength coach who also has his medical degree and residency training. In addition to a veritable laundry list of credentials, Jordan is also an elite powerlifter.   In This Episode We Discuss Benefits of strength training for health Why aren’t recommendations to do resistance training not more widespread in medical practice? Misinterpretation of evidence-based practice Is it better to recommend people do “any exercise they like” or persuade them to strength train? Links & Resources Barbell Medicine Barbell Medicine YouTube channel Jordan’s Instagram

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#217: Israel Halperin, PhD – Combat Sport Science, S&C Coaching & Motor Learning (Guest Hosted by Ciaran O’ Regan)

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Special guest host Ciaran O’ Regan interviews Dr. Israel Halperin about research and application of S&C coaching. Guest Bio Israel Halperin, PhD Israel is a post-doctoral researcher at Memorial University of Newfoundland. Israel completed his PhD at Edith-Cowan University, Australia in conjunction with the Australian Institute of Sport (AIS). His research centered on the effects coaching feedback has on the performance of resistance trained subjects and combat sport athletes. Israel spent the 3 years working with the four Olympic Combat sports in the AIS Combat Centre as a sport scientist. Over the years Israel has trained many world-class combat sport athletes as an S&C and …