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Sigma Nutrition Radio

Sep 22, 2026

Why 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 liking a food, wanting it, and perceiving it as easy to overeat.

In this episode, we...


Sep 15, 2026

Commonly 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 attracting particular attention.

But what evidence supports the claims made...


Sep 8, 2026

Most 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 improve outcomes?

This episode examines where current fish-intake...


Sep 1, 2026

Wellness 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 accurately.

In this episode, exercise science researcher Dr. Nick Tiller, discusses...