
Sigma Nutrition Radio
#589: Causal Inference in Nutrition Science – Daniel Ibsen, PhD
New
30 Dec 2025 · 1h 1m
Nutrition basics
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About this episode
This episode explores how asking better questions and using stronger methods can resolve much of the confusion in nutrition science. Dr. Daniel Ibsen discusses why nutrition research often produces conflicting results and how careful methodological thinking can clarify true diet-disease relationships. Nutrition science has unique challenges – diets are complex, people self-report their food intake imperfectly, and we can't easily run long-term diet experiments on people. Dr. Ibsen explains how e