

Sigma Nutrition Radio
Danny Lennon
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.
Episodes
Mentioned books

7 snips
Sep 3, 2024 • 46min
#534: Are Plant-Based Meat Alternatives Healthy? – Matthew Nagra, ND
 In this engaging discussion, Dr. Matthew Nagra, a naturopathic doctor specializing in nutrition, tackles the hot topic of plant-based meat alternatives and their health impacts. He examines their nutritional profiles, revealing how they can be both beneficial and potentially misleading due to high processing and sodium levels. The conversation explores the cardiovascular benefits of these alternatives compared to traditional meat, and emphasizes the need for consumer guidance amidst the variability in their quality. Practical tips for healthier eating are also shared. 

Aug 27, 2024 • 11min
Timing of Eating: Energetic Hypothesis (SNP32)
 The fascinating concept of chrononutrition reveals how the timing of meals influences weight management. Evidence suggests eating more in the morning may boost weight loss, independent of calorie intake. The thermic effect of feeding plays a crucial role, with key studies demonstrating variations in energy expenditure based on when we eat. Dr. Flanagan delves into these mechanisms, exploring the energetic hypothesis and how adjusting meal times may transform our dietary planning and understanding of obesity. 

9 snips
Aug 20, 2024 • 51min
#533: Making Sense of Omega-3 Supplement Trials – Prof. JoAnn Manson, MD, DrPH
 Prof. JoAnn Manson, a prominent researcher in chronic disease and supplements, shares her insights on omega-3 fatty acids and their complex effects on health. She unpacks the VITAL trial's findings, emphasizing how different study designs influence results. The discussion explores varying outcomes of omega-3 trials and their implications for cardiovascular health and cancer prevention. Listeners learn about the importance of tailored supplement recommendations and maintaining a healthy lifestyle, including dietary choices. 

17 snips
Aug 13, 2024 • 50min
#532: Dietary Fat: Evidence vs. Misinformation – Alice Lichtenstein, DSc
 Dr. Alice Lichtenstein, a prominent nutrition and cardiovascular disease expert, sheds light on the evolving landscape of dietary fat and heart health. She emphasizes the importance of unsaturated fats over saturated ones, reflecting modern research. The conversation also tackles individual responses to dietary changes and the misperceptions surrounding fats, including omega-6 fatty acids. With a focus on holistic dietary patterns and the dangers of misinformation, Dr. Lichtenstein advocates for better public health policies and informed eating choices. 

17 snips
Aug 6, 2024 • 1h 1min
#531: Correlation, Causation & Cliché
 Dive into the intriguing world of nutrition science, where the complexities of correlation versus causation take center stage. Explore how misconceptions around these concepts shape health recommendations and dietary guidelines. Historical examples, like smoking and lung cancer, illustrate the challenges in establishing true causal relationships. The impact of sodium on hypertension is scrutinized, while the philosophical dimensions of causative claims are unpacked. Critical thinking in nutrition becomes essential as robust evidence shapes public health advice. 

Jul 30, 2024 • 9min
What is Regression to the Mean? (SNP31)
 Danny, an expert in nutrition research and statistical concepts, breaks down the intriguing idea of regression to the mean. He explains how extreme values in health measurements often gravitate back towards average levels, shedding light on the natural variability of individual health. By exploring historical examples, he illustrates the importance of this concept in interpreting dietary interventions. This eye-opening discussion invites listeners to rethink how they understand fluctuations in their nutrition data. 

12 snips
Jul 23, 2024 • 55min
#530: Evidence-based Strategies for Learning & Skill Acquisition – Scott Young
 Scott Young, expert in learning strategies, discusses cognitive science in learning optimization. Topics include spaced repetition, active recall, and how to read and interpret research. Practical methods for improving learning efficiency in nutrition and cognitive abilities. 

7 snips
Jul 16, 2024 • 2h 14min
#529: Addressing Popular Claims About Cholesterol, Dietary Fat and Heart Disease
 Exploring the impact of LDL cholesterol and ApoB on atherosclerotic plaque progression, dissecting claims regarding saturated fats, and addressing misconceptions in low-carb and carnivore communities. Delving into the nuanced mechanisms of cholesterol metabolism, elucidating limited dietary impact on LP(a) levels, and providing practical recommendations for cardiovascular health interventions. 

10 snips
Jul 9, 2024 • 1h 17min
#528: Is Unprocessed Red Meat Problematic for Our Health?
 Exploration of the health implications of unprocessed red meat consumption, challenges in nutrition research, and the need to accurately assess intake levels. Analyzing the potential harm beyond saturated fat, risks associated with high consumption, and benefits of alternative protein sources. Discussing Mendelian randomization, debunking myths, and promoting a subscription service for deeper understanding. 

31 snips
Jun 25, 2024 • 1h 10min
#527: How to Prevent & Treat Hypertension – Dr. Mohammed Alo, DO
 Dr. Mohammed Alo, a specialist in osteopathic medicine, discusses preventing and treating hypertension. He delves into the interplay between genetics and lifestyle choices in managing high blood pressure. Topics include the influence of dietary patterns, exercise impact, antihypertensive medications, and lifestyle interventions for hypertension control. 


