Sigma Nutrition Radio

Dr. Nicky Keay, an endocrinologist and expert in female athlete health, delves into the critical interplay between hormones, energy availability, and performance. She emphasizes the importance of understanding female hormonal profiles and addressing challenges that athletes face, such as energy deficiency and menstrual health. Nicky also highlights the unique energy dynamics of dancers compared to traditional sports and the necessity for personalized nutrition strategies. Empowering female athletes through education and early detection of hormonal issues is a key takeaway.

Dr. Hana Kahleova is the director of clinical research at the Physicians Committee and directs research testing the effect a plant-based diet has on metabolism, insulin function, fitness, and mental health, as well as studying the impact meal timing and meal frequency have on metabolism and body weight. Dr. Kahleova earned her doctorate in nutrition and diabetes and her medical degree from Charles University in Prague, Czech Republic. As a postdoctoral research fellow at Loma Linda University in California, Dr. Kahleova analyzed data from 50,000 Adventist Health Study-2 participants. She analyzed data on meal frequency and timing in relationship to changes in body weight. Show notes at: sigmanutrition.com/episode356

Danny & Alan discuss a recent paper on time-restricted eating that has been inaccurately interpreted by some as a "disproval" of TRE as an intervention. In this episode, the aim is to provide some context to the situation. There are also three listener questions, and another person/claim is brought into the quack asylum! Today's Topic in Focus: Time-Restricted Eating [05:14] "I Have a Question!" [57:27] Quack Asylum [73:35] Random Recommendations [86:05] SHOW NOTES: sigmanutrition.com/episode355

Danny & Alan discuss issues with using and interpreting meta-analyses in nutritional science, they answer a question about methods of reheating food, and they highlight a recent paper published by quacks that experts have termed a "deception". Today's Topic in Focus [08:50] "I Have a Question!" [53:35] Quack Asylum [59:32] Something Random [66:42] Show notes: https://sigmanutrition.com/episode354

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 Medical University of South Carolina, a Professor of Community Medicine and Epidemiology at the University of South Carolina, School of Medicine, and the Director of the Cancer Prevention and Control Program. Dr. Hébert obtained his ScD (Doctor of Science) in nutritional epidemiology from Harvard University in 1984. Show Notes: sigmanutrition.com/episode353

Danny and Alan, experts in weight loss maintenance, discuss the evidence on weight loss maintenance, the effect of ApoE4 allele on lipid metabolism, and address nonsensical and harmful nutrition recommendations. They emphasize the patterns of weight loss and regain, the long-term effectiveness of weight loss interventions, the role of diet composition and physical activity in weight loss maintenance, and the misleading claims made by medical professionals.

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, gut microbiota development, gastroenteritis, obsesity and colonic homeostasis. Show Notes: sigmanutrition.com/episode351

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 the British Psychological Society (BPS). Hugh Gilmore is an accredited sport psychologist with experience working in elite sport in the UK. Hugh has worked with elite athletes across a number of sports, including with the British Weightlifting team in the lead-up to the Olympic Games. Hugh has a MSc. in Applied Sport and Exercise Psychology. And is accredited by The Irish Institute of Sport and the British Association of Sport and Exercise Science (BASES). Peter and Hugh are the hosts of the new sport psychology podcast Eighty Percent Mental. Show Notes: sigmanutrition.com/episode350

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 developing the scientific strategy for future enhancements for the study. Her research interest is largely in the role of diet, obesity and circulating biomarkers in cancer development. Show Notes: sigmanutrition.com/episode349

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 [94:20] SHOW NOTES: https://sigmanutrition.com/episode348/