Sigma Nutrition Radio
Discussions about the science of nutrition, dietetics and health. The podcast that educates through nuanced conversations, exploring evidence and cultivating critical thinking. Hosted by Danny Lennon.
- Update frequency
- every 7 days
- Average duration
- 55 minutes
- Episodes
- 592
- Years Active
- 2014 - 2025
#377: Herman Pontzer, PhD – Metabolism, Mitochondria & Evolutionary Biology
Herman Pontzer, PhD is an Associate Professor of Evolutionary Anthropology at Duke University and Associate Research Professor of Global Health at the Duke Global Health Institute. He is an internati…
#376: Kevin Hall, PhD – Plant-based Diet vs. Ketogenic Diet: Impact on Calorie Intake
Dr. Kevin Hall, PhD is Senior Chief of the Integrative Physiology Section of the Laboratory of Biological Modeling at the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK).
His…
#375: Salt, Sodium & Health
In this episode Danny and Alan discuss the current evidence base related to sodium intake and health, most notably cardiovascular disease. The episode walks through understanding diet-disease relatio…
#374: How to Plan a Fighter’s Diet
In this episode Danny becomes the interviewee, as he is interviewed by sports dietitian and owner of The Fight Dietitian, Jordan Sullivan RD. Jordan oversees the diet of several UFC athletes, includi…
#373: Alcohol & Health: Is Zero Better Than Some?
In this episode Danny and Alan discuss the health impacts of alcohol and take a look at the research to answer whether alcohol should be viewed as having a J-shaped curve of risk or zero alcohol bein…
#372: Mike Israetel, PhD – Bodybuilding, Avoiding Suffering & Lessons for Life
Dr. Mike Israetel is the cofounder of Renaissance Periodization, where he produces content related to training and dieting for hypertrophy, strength and bodybuidling.
Dr. Israetel is also currently …
#371: Dietary Cholesterol – Are Eggs & Cholesterol-rich Foods a Cause for Concern?
#370: Jake Mey, PhD, RD - Dietetics, Evidence-based Practice & Translating Science into Advice
Dr. Jake Mey is a registered dietitan and a human nutrition researcher. He is a Postdoctoral Research Fellow at the Pennington Biomedical Research Center. His work focuses on diet, muscle & metabolis…
#369: Prof. Jason Gill - Population Cardiometabolic Disease Risk: Impact of Strength, Fitness & Activity
#368: Shannon Beer – Intentional Eating, Flourishing Health & Behavioural Psychology
Shannon Beer is a nutritionist, working with people via online coaching and mentoring, with the goal of helping people improve their health through facilitating lasting behaviour change.
In collabora…
#367: Gabrielle Fundaro, PhD – Mindful Eating, Facilitating Health Behaviour Change & Client-centred Coaching
#366: Listener Q&A
In this episode Danny and Alan answer some listener questions, covering a range of topics, including hunger cues, weight-neutral appraoches, body fat distribution, and breakfast and cognition, among …
#365: David Robert Grimes, PhD – Conspiracy Theories & Bad Information: Why Are We Susceptible?
Dr. David Robert Grimes is a physicist, cancer researcher and a science journalist. In addition to his cancer research, he has also published peer-reviewed work on conspiracy theories, meta-research …
#364: Jake Linardon, PhD - Disordered Eating: Impact of Macro Tracking & Social Media
Dr. Jake Linardon is a Senior Research Fellow at Deakin University in Melbourne, Australia. His research focuses on eating disorders, with a primary focus on testing and evaluating a broad range of t…
#363: Public Health Policy vs. Personal Responsibility: Evidence vs. Ideology
In this episode Danny and Alan discuss the evidence for public health nutrition interventions, how health inequalities are driven by socioeconomic factors, and how ideology and simplistic rhetoric ab…
#362: Alistair Monteyne – Impact of Mycoprotein & Vegan Diets on Muscle Protein Synthesis
#361: Sarah Berry, PhD – The PREDICT Study, Postprandial Metabolism & Personalised Nutrition
Dr Sarah Berry is a researcher and senior lecturer in nutritional science at King's College London. Her research interests relate to the influence of dietary components on markers of cardiovascular d…
#360: Nick Hiebert – Micronutrients, Anti-nutrients and Non-essential Nutrients
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 nutriti…
#359: Calorie Confusion - (Mis)Understanding Energy Balance
#358: Coffee & Health
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 metab…