Sigma Nutrition Radio

Nick Hiebert writes about nutrition science on his site The Nutrivore, as well as exclusive, comprehnsive posts on his Patreon page. He is the creator of the "Nutrient Density Cheat Sheet", a nutrition ranking tool for hundreds of whole foods.  Nick has a deep interest in a host of nutrition science topics, from nutrient density to saturated fat & cardiovascular disease. He does a lot of deep analysis of raw data and has published some independent meta-analyses on his site.  Show notes can be found at sigmanutrition.com/episode360

The podcast discusses common misunderstandings of energy balance and the validity of calories in, calories out. It explores drivers of fat loss and muscle gain, the impact of sleep on body composition, and the concept of dose-response in nutrition. The hosts criticize calorie confusion and highlight the importance of understanding energy balance. They also recommend a documentary and discuss censorship and objective journalism.

In this episode Danny and Alan discuss the health impacts of coffee consumption, including long-term protective influence on disease risk, acute impacts, optimal dosages, genetic differences in metabolism and the influence of the bioactive compounds in coffee. Today's Topic in Focus: [01:50] "I Have a Question!" [68:18] Quack Asylum [71:03] Random Recommendations [81:50] Show Notes: sigmanutrition.com/episode358

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