Danny Lennon
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.
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Episodes
#492: How Does Weight Cycling Impact Long-term Health? 15.08.2023 1:06:19
Links: Resources and info for this episode Subscribe to PREMIUM Receive Danny's weekly email newsletter About This Episode: Losing at least 5% of one's initial body weight is associated with improvements in glycaemic control, blood pressure, triglyceride levels, and other positive outcomes. Due to these reasons, it is typically recommended that individuals classified as overweight or obese should...
#491: Do High Protein Intakes Cause Insulin Resistance? 08.08.2023 1:02:53
Links: Episode Resources Subscribe to PREMIUM Receive our weekly newsletter About This Episode: There has been interest in, and debate about, how protein intake impacts metabolic health, particularly in relation to insulin resistance and type 2 diabetes risk. Recently, there has been interest in higher protein intakes as an intervention in diabetes, owing to a variety of potential mechanisms. For...
#490: How Does Exercise Impact Beta-cell Function in Type 2 Diabetes? – Mark Lyngbæk, MD 01.08.2023 58:00
Links: Go to episode page Subscribe to PREMIUM Receive our free weekly emails About This Episode: The management of type 2 diabetes has long been a challenge, but a new study conducted by researcher Mark Lyngbaek and his colleagues has the potential to add important considerations to the approach to treatment. Titled the "DOSE-EX" randomized clinical trial, their study uncovers the impact of exerc...
What is a Causal Risk Factor? (AMA with Alan) 25.07.2023 31:39
Links: Subscribe to PREMIUM Episode page Receive Sigma emails About this Episode: We've just released a lengthy 'ask me anything' episode, where Dr. Alan Flanagan addressed specific listener questions, over on the Sigma Nutition Premium feed. In this episode, you'll hear one detailed answer from that AMA, in which Alan discusses the concept of "causal risk factors". This is a term that is regularl...
#489: Inequalities in Diabetes Outcomes for African & Caribbean Communities – Prof. Louise Goff 18.07.2023 51:16
Links: Go to episode page (with resources) Receive Danny's weekly emails Twitter: @NutritionDanny Subscribe to PREMIUM About This Episode: In the UK, there is a threefold higher incidence of type 2 diabetes in UK African and Caribbean (AfC) communities, compared to the general population. And ethnic inequalities in type 2 diabetes treatment and outcomes have been documented. And so addressing thes...
#488: Does Time of Day Impact Hunger, Appetite & Satiety? 11.07.2023 1:27:47
Links: Episode page (with links to resources) Receive Danny's weekly emails Subscribe to PREMIUM About This Episode: The topic of whether hunger and satiety are affected by the time of day has generated considerable interest within the nutrition research community. Researchers have been particularly intrigued by the potential influence of circadian rhythms on caloric intake throughout the day. Ini...
#487: Weight Cutting in Combat Sports – Jordan Sullivan 05.07.2023 1:15:00
Links: Join notification list for book pre-orders Go to episode page (w/ resources) Subscribe to Sigma Nutrition Premium About This Episode: "Weight cutting" is a common practice in weight-class based sports. And typically, combat sport athletes have reported cutting the largest amounts of weight for competition. The concept of cutting weight is based on the assumption that a size advantage gives...
#486: Blood Glucose Spikes: How High is Too High? – Mario Kratz, PhD & Nicola Guess, PhD 27.06.2023 1:21:05
Links: Go to episode page (with resources) Receive Danny's weekly emails Subscribe to PREMIUM Twitter: @NutritionDanny Instagram: @dannylennon_sigma About This Episode: Peaks in blood glucose (or "blood sugar spikes") are commonly highlighted as something harmful to health. And, of course, an excessively high blood glucose response to a meal can be problematic, or at least indicate there is a prob...
#485: Does Menopause Alter Appetite? 20.06.2023 45:14
Links: Go to episode page Receive Danny's weekly emails Subscribe to PREMIUM About This Episode: Menopause is commonly associated with hormonal changes and physical symptoms, such as hot flashes, mood changes, sleep issues, and weight gain. Based on anecdotal reports, another interesting question emerges: what is the potential impact of menopause on appetite? As women undergo this transformative p...
SNP18: What is a Healthy Low-Carb Diet? 13.06.2023 13:38
Links: Go to episode page Subscribe to PREMIUM Receive Danny's weekly email Twitter: @NutritionDanny Instagram: @dannylennon_sigma About This Episode: Note: This is a Premium-exclusive episode, so in order to listen to the full episode you'll need to subscribe to Sigma Nutrition Premium . Low-carbohydrate diets come with a list of reported benefits, and research does show benefit for a number of...
#484: Is Metabolic Adaptation an Illusion? – Eric Trexler, PhD 06.06.2023 1:15:37
Links: Episode page with resources Subscribe to PREMIUM MASS Research Review About This Episode: Metabolic adaptation refers to the process by which the body adjusts its metabolism in response to changes in energy intake or body mass. This adjustment can occur in both directions, meaning that the body can increase or decrease its energy expenditure in response to changes in energy intake or body w...
#483: What are the Effects of Very High Fiber Intakes? 30.05.2023 1:18:00
Links: Episode page (with links to studies mentioned) Subscribe to PREMIUM Receive Danny's free weekly email About This Episode: The benefits of consuming a higher fiber diet have been consistently demonstrated in nutrition research. Epidemiology clearly shows that higher intakes, compared to lower intakes, leads to a risk reduction for a range of diseases, including cardiovascular disease and col...
#482: Carbohydrate Quality & Health – Andrew Reynolds, PhD 23.05.2023 1:06:49
Links: Go to episode page (with resources) Subscribe to PREMIUM Receive Danny's weekly email About This Episode: In the last couple of decades, carbohydrates have experienced an increasing amount of negative campaigning. In general, the main argument is that carbohydrates have been viewed as the root cause for obesity, diabetes and several other diseases including heart disease and behavioral diso...
Is Personalized Nutrition Superior to General Nutrition Advice? (SNP 17) 16.05.2023 22:57
Links: Go to episode page (with resources) Subscribe to PREMIUM Receive Danny's free weekly email About This Episode: "Personalized nutrition" has been promoted as an approach that will improve people's health by prescribing them specific dietary recommendations based on their own genetic and phenotypic data. The premise is that given we each respond differently to foods, having general dietary re...
#481: Why Saturated Fat Really Does Impact Heart Disease Risk 09.05.2023 1:30:10
Links: Go to episode page (with further resources) Subscribe to PREMIUM Get Danny's weekly email, the Sigma Synopsis About This Episode: While it has long been acknowledged that high intakes of saturated fat can increase risk of atherosclerotic cardiovascular disease due to their impact on blood lipids, there are some who question the association between saturated fat and heart disease. Specifical...
#480: How Much Fiber Do We Need for Good Health? – Prof. Joanne Slavin 02.05.2023 1:10:12
Links: Go to episode page (with resources) Subscribe to Sigma Nutrition PREMIUM Receive Danny's free weekly emails About this Episode: The beneficial impact of a high-fiber diet is something that has been promoted in nutrition for a long period of time. But there remain a variety of interesting questions to researchers, practitioners and the general public alike. How much fiber do we actually need...
#479: Blood Glucose, CGM Use, Diabetes Remission & High-Protein for Diabetes – Nicola Guess, PhD, RD 25.04.2023 50:41
Links: Go to episode page Subscribe to PREMIUM Receive Danny's free weekly email Description: Blood glucose responses play a crucial role in maintaining good health, and any abnormalities in glucose regulation can lead to several chronic conditions. Diabetes is one such disease that results from a lack of insulin production or the body's inability to use insulin effectively, leading to elevated bl...
#478: Exposures in Nutrition – Why They're Crucial to Understand 18.04.2023 1:02:23
Links: Go to episode page (w/ resources) Get Danny's weekly emails Subscibe to Premium Description: Understanding the concept of an "exposure" is a critical aspect to nutrition science literacy. The 'exposure of interest' refers to the variable or factor that is being studied to determine its relationship with a particular health outcome. For example, in a study examining the relationship between...
SNP16: A Dairy Fat Paradox? – Saturated Fat, Food Matrices & Heart Disease 11.04.2023 22:11
Links: Episode page with related links Subscribe to Sigma Nutrition Premium Receive Danny's free weekly email Description: Substantial evidence shows that a high intake of saturated fat in the diet has the potential to significantly raise LDL-C and ApoB-containing lipoproteins in many people, and in turn increase their risk of developing atherosclerotic cardiovascular disease (ASCVD). However, peo...
#477: Effect of Different Diets on Cholesterol, Lipoproteins and Discordance – Ian Davies, PhD 04.04.2023 54:24
Links: Go to episode page (with resources) Subscribe to Sigma Nutrition Premium Receive our free weekly emails Introduction: Discordance between low-density lipoprotein particle (LDL-p) and low-density lipoprotein cholesterol (LDL-C) occurs when the levels of these two biomarkers do not match up as expected. Discordance between Apolipoprotein B (ApoB) and low-density lipoprotein cholesterol (LDL-C...
#476: Fructose in Perspective – Dietary Villain or Misunderstood Nutrient? 28.03.2023 52:21
Links: Go to episode page (w/ resources) Subscribe to PREMIUM Receive Danny's free weekly email Description: Fructose is a type of sugar that is commonly found in fruits, vegetables, and many processed foods. In recent years, there has been a lot of discussion and debate about the impact of fructose on health, with some claiming that it is a major contributor to obesity, diabetes, and other chroni...
#475: Is Food Addiction Real? – Charlotte Hardman, PhD 22.03.2023 55:54
Links: Go to episode page Subscribe to Premium Sign-up for our free weekly email: The Sigma Synopsis Description: The idea of food addiction has gained a lot of attention in recent years, as obesity rates continue to rise around the world. Many people struggle with overeating and find it difficult to resist certain foods, leading to a cycle of guilt and shame. The concept of food addiction suggest...
SNP15: AMA – Semaglutide, "Carni-nutrients", Sweating From Caffeine, & More 17.03.2023 27:05
Questions Answered in this AMA [00:03:01] Mechanisms that keeps weight stable over time? [00:11:52] Semaglutide: Game-changer? Weight regain? [00:30:42] How to further lower LDL-C? Can I avoid statins? [00:43:52] Glyphosate: A cause for concern in food? [00:48:30] High caffeine intake is making me sweat more. What's going on? [00:55:16] Should I avoid non-organic meat? [01:00:08] Is there e...
#474: Glucose Peaks & Variability – Is Lower Better? 13.03.2023 1:22:46
Links: Go to episode page (with links & resources) Subscribe to Sigma Nutrition Premium Receive our free weekly email, The Sigma Synopsis About This Episode: Often claims are made recommending that people should aim to keep peaks in blood glucose low in terms of both magnitude and frequency. And while many claims about blood glucose "spikes" are incorrect or purposefully exaggerated to grab attent...
#473: Diet & Depression (What Do We Actually Know?) – Nicole Lippman-Barile, PhD 07.03.2023 1:12:40
Links: Episode page (with more links) Subscribe to Premium Introduction Depression is a common disorder and is a leading cause of disability worldwide. Depression results from a complex interaction of social, psychological, and biological factors. Diet has been one area that has been suggested in playing a role; from potential for exacerbating symptoms to being a treatment. And while some associat...
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