On Purpose with Jay Shetty
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Health & Fitness
Sigma Nutrition Radio
by Danny Lennon
Today: #19 in Health & Fitness, Ireland on our combined chart.
Chart positions today · United Kingdom
Not on the United States charts we track today.
Not on the United Kingdom charts we track today.
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Not on the New Zealand charts we track today.
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Not on the South Africa charts we track today.
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Ranking history · United Kingdom
Recent history only — this show has no current ranking on the Health & Fitness, United Kingdom chart. These are recorded positions from the last 7 days, not current rankings.
Only one day of ranking history is available in this seven-day window; there is not enough data for a trend line.
View as table
| Date | Combined Rank | Apple Podcasts |
|---|---|---|
| Oct 9 | — | #199 |
Latest episodes
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#622: Body Composition Testing: Methods & Interpretation – Prof. Grant Tinsley
October 6, 2026 · 1 hr 4 minBody composition testing is widely used in research, sport and clinical practice. But what are these methods actually measuring, and how much confidence should we place in the numbers they produce? In this episode, we examine the…
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#621: Hedonic Overeating, Food Wanting and Impact of Perception – Prof. Graham Finlayson
September 22, 2026 · 43 minWhy do some foods feel difficult to stop eating, while others can be highly enjoyable without prompting the same tendency to overconsume? Answering this requires a clearer understanding of food reward, including the distinction between…
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#620: BPC-157 and Peptide Medications: What Do We Know? – Jordan Feigenbaum, MD
September 15, 2026 · 58 minCommonly people are talking about "peptides" to refer to a heterogeneous group of peptide medications or investigational compounds. These are increasingly promoted for injury recovery, tissue repair, performance and longevity, with BPC-157…
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#619: How Much Fish Should a Healthy Diet Contain?
September 8, 2026 · 1 hr 3 minMost dietary guidelines recommend eating one to two servings of fish per week, often specifying that at least one serving should be oily fish. But how directly is that recommendation supported by evidence? And does adding fish to the diet…
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#618: How Wellness & Optimisation Culture Can Commodify Science – Nick Tiller, PhD
September 1, 2026 · 57 minWellness and optimisation culture increasingly presents itself as "science-based". But citing studies, using technical language, or having scientific credentials does not guarantee that the underlying evidence is being represented…
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#617: What Does Effective Athlete Support Look Like in Practice? – Gemma McGuinness
August 25, 2026 · 47 minEffective athlete support requires more than delivering technically correct nutrition advice. It depends on understanding the athlete's wider environment, anticipating the pressures that disrupt good intentions, and building flexible…
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Fiber: Independent Benefits or Just a Proxy for Healthy Foods?
August 18, 2026 · 21 minThis episode answers one of the questions raised in the most recent Q&A episode on Sigma Nutrition Premium. The full episode includes the following questions: Fiber: Independent effect or proxy for healthy foods? Exposure frequency for…
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#616: More Testing, Better Health? Harms of Overdiagnosis & Overtreatment - Austin Baraki, MD
August 11, 2026 · 1 hr 15 minMedical screening is often framed as an uncomplicated good: if disease is found earlier, treatment can begin earlier and outcomes should improve. This episode examines why that reasoning is incomplete. Screening can produce benefit, but…
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#615: Why Processing Doesn't Determine the Healthfulness of Plant-Based Diets – Alysha Thompson, PhD
August 4, 2026 · 56 minWhat does the evidence actually show when we look at plant-based dietary patterns through the lens of food processing? And does classifying foods as "ultra-processed" meaningfully change how we interpret the relationship between…
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#614: The Human Skills of Nutrition Coaching – Krista Scott-Dixon, PhD
July 21, 2026 · 57 minIn nutrition and health coaching, one of the central challenges is understanding how people actually change, particularly when life is complex, motivation fluctuates, and behaviour is shaped by emotion, identity, environment, and…
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#613: Supplement Safety & Medication Interactions – Giulia Guerrini, MPharm
July 14, 2026 · 57 minSupplement safety is often discussed in very general terms, but in practice the risks depend heavily on the individual. A supplement that is reasonable for one person may be inappropriate for another based on their medications, health…
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#612: Does Sweet Taste Exposure Actually Develop Preference? – Prof. Katherine Appleton
July 7, 2026 · 39 minA common idea is that repeated exposure to sweet taste strengthens our preference for sweetness, which then drives greater intake of sweet foods and drinks. This idea is often used in arguments about fruit, low-calorie sweeteners, diet…
About the show
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.