With Dr Ian Dunican. A podcast dedicated to education, expansion of knowledge and entertainment for all things related to sleep, recovery and optimal performance. Check us out at www.sleep4performance.com.au
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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.
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Mind Manifest is the podcast that digs deep into the science of psychedelics. We bring you focussed conversations with category authorities on this promising field. Cut through the noise, converse with the vanguard - welcome to Mind Manifest.
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The No Xcuses Show with Brant Garvey featuring the World's Most Inspiring & Motivated People
Brant Garvey
This show was created to spread the no excuses message and grow a community that celebrates success and lifts people up while sharing the knowledge learnt along the way.
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Fasting has gained immense popularity as a dietary approach, but what does the scientific evidence say about its health benefits? Studies have explored how fasting might influence metabolic markers, energy expenditure, and even aging. However, while fasting shows promise in some animal models, translating these effects to humans is less clear. A ke…
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#540: How Can We Improve Body Image and Self-Esteem Without Physique Change? – Gabrielle Fundaro, PhD & Eric Trexler, PhD
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Body image and self-worth are deeply intertwined concepts that influence how we see ourselves and interact with the world. Many people believe that changing their physique is the key to improving their body image, but is it really that simple? This connection between appearance and self-esteem raises important questions about how we define confiden…
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#539: How Does Carbohydrate Availability Impact Resistance Training? – Cliff Harvey, PhD & Eric Helms, PhD
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Some suggest that, since individual lifts or short-duration efforts don’t rely heavily on glycogen, carb intake might not be critical for strength athletes. If glycogen depletion isn’t a pressing issue, could athletes thrive on lower-carb diets without sacrificing performance? Or could there be overlooked benefits to having greater carbohydrate ava…
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#538: Can Fish Oil Supplementation Increase Risk of Irregular Heart Rhythms?
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Omega-3 fatty acids are often viewed as beneficial or, at worst, neutral supplements when it comes to supporting cardiovascular health, lowering triglycerides, and offering anti-inflammatory effects. Much of the focus in recent years has centered on understanding how significant these benefits are, particularly for heart health, with many studies h…
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#537: Appetite Regulation, Metabolic Compensation and More – Stephan Guyenet, PhD
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This is an “ask me anything” (AMA) episode with Dr. Stephan Guyenet, an expert in obesity neuroscience and eating behavior. This episode was originally published on Sigma Nutrition Premium. If you’re interested in subscribing to Sigma Nutrition Premium, then check all the details here. Questions Answered: [04.27] If we surgically remove adipose tis…
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Questions Answered in This Episode [02:28] Caffeine metabolism and individual variation. [14:47] High-sodium electrolyte supplements & recreational trainees. [32:55] Is a “too low” BMI a problem? [41:38] Are claims about vegan diets being nutritionally insufficient overblown? [51:33] Familial hypercholesterolemia & further lipid-lowering [58:05] Me…
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#536: Improving Sleep in Combat Sports Athletes – Ian Dunican, PhD
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In the world of combat sports, optimizing performance extends beyond physical training and nutrition—sleep plays a critical role. Maladaptive sleep behaviors, such as inconsistent sleep schedules and inadequate sleep duration, can significantly impair an athlete’s performance by reducing cognitive function, reaction time, and recovery ability. Unde…
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#535: Is This Meta-analysis Good or Bad? – How to Critique Nutrition Studies
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To many, meta-analyses are seen as a research tool that is often regarded as the pinnacle of evidence in nutrition science. But is this accurate? What exactly makes a meta-analysis reliable or flawed? How can we distinguish between a well-conducted study and one that might mislead even the most well-intentioned reader? In this episode, through thre…
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#534: Are Plant-Based Meat Alternatives Healthy? – Matthew Nagra, ND
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The debate between animal-based and plant-based meat alternatives (PBMAs) has garnered significant attention, especially concerning their impact on cardiovascular health. As PBMAs become increasingly popular, questions about their nutritional profiles and long-term health implications have emerged. Are these alternatives genuinely healthier than tr…
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In the ongoing exploration of weight loss strategies, the timing of food intake has emerged as a fascinating area of study. While traditional advice often focuses on what we eat, growing evidence suggests that when we eat could also play a crucial role in weight management. This concept, known as chrononutrition, examines how our body’s internal cl…
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#533: Making Sense of Omega-3 Supplement Trials – Prof. JoAnn Manson, MD, DrPH
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The impact of omega-3 fatty acids on chronic disease risk has been a topic of considerable interest and research. The VITAL trial, which assessed the effects of vitamin D and omega-3 supplements on various health outcomes, including cardiovascular disease and cancer, provided insightful findings. Additionally, numerous other supplement trials have …
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#532: Dietary Fat: Evidence vs. Misinformation – Alice Lichtenstein, DSc
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In the realm of nutrition science, few topics have sparked as much debate and evolution in understanding as the impact of dietary fat on cardiovascular health. Dr. Alice Lichtenstein, a renowned expert in nutrition and cardiovascular disease, brings clarity to this complex field. Her extensive research at several prestigious institutions has been p…
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In the realm of nutrition science and health, understanding the intricate relationship between various factors and health outcomes is crucial yet challenging. How do we determine whether a specific nutrient genuinely impacts our health, or if the observed effects are merely coincidental? This intriguing question brings us to the core concepts of co…
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Regression to the Mean (RTM) is a statistical phenomenon where extreme values on one measurement tend to move closer to the average on subsequent measurements due to natural variability. In this Premium-exclulsive episode, Danny gives an explanation of this concept with some examples in nutrition research. Subscribe to Sigma Nutrition Premium Go to…
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#530: Evidence-based Strategies for Learning & Skill Acquisition – Scott Young
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The concept of “learning how to learn” focuses on meta-learning, which involves improving one’s own learning strategies. Instead of just absorbing information, meta-learners refine the skills that make learning itself more effective. Cognitive science supports various learning strategies by exploring how the brain processes information. Techniques …
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#529: Addressing Popular Claims About Cholesterol, Dietary Fat and Heart Disease
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In episode 529 of Sigma Nutrition Radio, we discuss all things related to cholesterol, atherosclerosis, heart disease, and dietary fat. The discussion extensively covers the impact of LDL cholesterol and ApoB on atherosclerotic plaque progression, cardiovascular events, and the benefits of early LDL lowering interventions, particularly through the …
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#528: Is Unprocessed Red Meat Problematic for Our Health?
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The consumption of red meat, specifically the distinction between unprocessed and processed varieties, has been a subject of considerable debate in nutritional science and public health. There is a fair amount of confusion and lack of clarity surrounding this issue. While the harmful effects of processed meat are well-documented and less controvers…
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