#584: EAT-Lancet: Does the Planetary Health Diet Improve Human Health?
How should we think about diets that claim to optimise both human and planetary health? Can a single "reference diet" really balance the complex trade-offs between nutrition adequacy, chronic disease ...
18 Nov 202559min
#583: Ultra-Processed Foods & Fixing the Food Environment – Kevin Hall, PhD
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 supermarket shelves, shape population diets, and often appea...
11 Nov 202554min
SNP45: Antioxidants – What You Need To Know
This is a Premium-exclusive episode of the podcast. To listen to the full episode you need to be subscribed to Sigma Nutrition Premium. What exactly are "antioxidants," and why do they get so much hyp...
4 Nov 202513min
#582: GLP-1 Agonists: Side Effects, Management and Diet – Dr. Spencer Nadolsky
GLP-1 receptor agonists have emerged as a groundbreaking tool in obesity treatment. In this episode, Dr. Spencer Nadolsky (an obesity specialist) explains how these medications are now yielding unprec...
28 Okt 202548min
#581: What Is Successful Public Nutrition Policy? And Why Is It So Hard to Achieve? – Emily Callahan, RD, MPH
Public nutrition policy plays a critical role in shaping population health through laws, guidelines, and programs that influence what people eat. In this episode, Emily Callahan, an expert in nutritio...
21 Okt 20251h 5min
#580: Sodium Bicarbonate for Sports Performance – Prof. Lewis Gough
Sodium bicarbonate is one of the most consistently supported ergogenic aids in sports nutrition research, yet its underlying mechanisms and real-world applications remain widely misunderstood. More re...
14 Okt 20251h 2min
#579: Is Your Chronotype Hard-Wired or Modifiable? And What Does It Mean for Health?
In this episode, we explore the concept of chronotype, which reflects an individual's biological circadian timing and how it manifests in preferred sleep–wake patterns. Understanding chronotype is imp...
7 Okt 202559min
#578: Creatine For Brain Health: Overhyped Trend or Science-based Intervention? – Prof. Eric Rawson
Creatine is best known as a sports supplement for enhancing muscle strength and high-intensity performance. But could it also improve brain health and cognitive function? Or are such claims overhyped?...
30 Sep 202552min
