Sigma Nutrition Radio
#576: The Social Psychology of Health Beliefs and Misinformation – Matthew Facciani, PhD
New
9 Sept 2025 · 53 min
Nutrition basics
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About this episode
In this episode, Dr. Matthew Facciani explores how social psychology influences health beliefs and the spread of misinformation. The conversation delves into why people adopt certain nutrition or health beliefs so strongly, how identity and group membership shape our interpretation of evidence, and what makes us susceptible to false or misleading health claims. Dr. Facciani's interdisciplinary background (spanning neuroscience, psychology, and sociology) allows him to offer a unique evidence-inf