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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 Dan...
How should we decide what counts as trustworthy evidence? Scientific rigor is not a single characteristic of a study, but a chain of decisio...
Dietary fiber is widely recognized as an important component of a healthy diet, yet it is not typically classified as an essential nutrient....
Avoidant/Restrictive Food Intake Disorder (ARFID) is an eating disorder diagnosis characterized by a persistent restriction or avoidance of...
This episode examines what we actually know (and importantly, what we do not know) about diet in relation to gallstones and gallbladder cond...
In this episode, Danny answers questions submitted by Premium subscribers. Questions Answered in This Episode: [00:05:13] Is eating too earl...
"The more we learn about the world, and the deeper our learning, the more conscious, specific, and articulate will be our knowledge of what...
This episode examines whether unprocessed red meat has a causal role in (1) type 2 diabetes risk and intermediate measures of glucose intole...
This episode examines how exercise and nutrition interact to influence glycaemic control, with particular focus on the postprandial period (...
In clinical practice effective nutrition, exercise, and obesity care is rarely about identifying the single "best" plan on paper. Instead, s...
Omega-3 fatty acids (particularly EPA and DHA) have a long history in nutrition and cardiovascular medicine, yet the clinical trial literatu...
Conversations about brain health have been dominated by a competing mix of fatalism and over-promising, with aging framed as inevitable decl...
This is a Premium-exclusive episode of the podcast. To listen to the full episode you need to be subscribed to Sigma Nutrition Premium . Thi...
Dr. José Areta and colleagues recently carried out a human intervention study examining how a pronounced, short-term energy deficit interact...
While the term "hyperpalatable" has been used frequently for considerable time to refer to foods that are so appealing and tasty that they d...
In this episode, the discussion turns to a deceptively simple question that sits at the centre of countless nutrition debates: how much prot...
Maintaining the ability to carry out everyday tasks and live independently is often described as a cornerstone of healthy ageing. But what a...
Nutrient density refers to the concentration of vitamins and minerals in crops relative to their yield. There are widespread claims that tod...
This is a Premium-exclusive episode of the podcast. To listen to the full episode you need to be subscribed to Sigma Nutrition Premium . Rec...
This episode explores how asking better questions and using stronger methods can resolve much of the confusion in nutrition science. Dr. Dan...
How much do hormonal fluctuations really influence performance and recovery? Should women be adjusting their training and nutrition based on...
This episode centers on the critical gap in nutrition education within medical training and efforts to bridge it. Guest Akash Patel, a medic...
Never before has there been greater access to information about nutrition and health. But never before has there been such a low barrier to...
This is a Premium-exclusive episode of the podcast. To listen to the full episode you need to be subscribed to Sigma Nutrition Premium . Eac...
We take a look at critical thinking in science and healthcare, examining how we often fall prey to cognitive biases, emotional reasoning, an...
How should we think about diets that claim to optimise both human and planetary health? Can a single "reference diet" really balance the com...
Ultra-processed foods have become central to the way we eat and to many of the challenges we face in public health nutrition. They dominate...
This is a Premium-exclusive episode of the podcast. To listen to the full episode you need to be subscribed to Sigma Nutrition Premium . Wha...
GLP-1 receptor agonists have emerged as a groundbreaking tool in obesity treatment. In this episode, Dr. Spencer Nadolsky (an obesity specia...
Public nutrition policy plays a critical role in shaping population health through laws, guidelines, and programs that influence what people...
Sodium bicarbonate is one of the most consistently supported ergogenic aids in sports nutrition research, yet its underlying mechanisms and...
In this episode, we explore the concept of chronotype, which reflects an individual's biological circadian timing and how it manifests in pr...
Creatine is best known as a sports supplement for enhancing muscle strength and high-intensity performance. But could it also improve brain...
Energy expenditure is one of the most fundamental yet often misunderstood aspects of human physiology. A central question is whether there i...
Recently a new trial was published in Nature Medicine comparing the effect of ultra-processed versus minimally processed diets. Specifically...
In this episode, Dr. Matthew Facciani explores how social psychology influences health beliefs and the spread of misinformation. The convers...
Dairy is often treated as a single food group, yet milk, yogurt, cheese, and butter can have very different effects on health. Some evidence...
They're in our oceans, our air, our food, and now even in our bodies. Microplastics, once a distant environmental issue, have become a topic...
In this episode, performance nutritionist Daniel Davey discusses how his approach to elite sports nutrition has evolved over his career. Dav...
Nutrition science plays a pivotal role in shaping public health advice, but the influence of industry funding on research has become a press...
In recent years "Zone 2 training" has gained immense popularity in fitness and health circles, often being proclaimed the "best" cardiovascu...
Fructose has often been labeled a uniquely damaging nutrient, blamed for obesity, diabetes, and other metabolic diseases. But does fructose...
Vitamin A is often one of the less-discussed micronutrients in relation to bone health, taking a back seat to nutrients like calcium and vit...
The idea that saturated fat might be harmful to our health has sparked controversy for decades. In recent years, counter-narratives have sur...
To what extent can maternal nutrition during pregnancy influence a child's later cognitive or behavioural development? While genetic and env...
For decades, dietary guidelines—and the Food Pyramid in particular—have been at the center of heated debates and considerable controversy. T...
Inflammation has become a nutrition buzzword, often used in extreme or misleading ways. This episode aims to clarify what inflammation is, h...
GLP-1 receptor agonists have changed the landscape of obesity treatment, offering levels of weight loss once thought unattainable without su...
Zinc is an essential micronutrient that often flies under the radar, despite being vital for hundreds of enzymes and transcription factors i...
In this episode, we take a deep dive into the commonly held belief that protein is the most satiating macronutrient. It's an idea that shows...
Global food systems have been increasingly subjected to financial speculation, leading to adverse consequences for growers, consumers, and p...