Food Psych Podcast with Christy Harrison

"Food Addiction" + Ultraprocessed Foods + Disordered Eating with Marci Evans

7 snips
Sep 4, 2025
Marci Evans, an Eating Disorders Dietitian and Food and Body Image Healer®, dives deep into the science of food addiction, particularly regarding ultraprocessed foods. She explores how food addiction is defined and measured, and the overlap between disordered eating and addiction. Marci discusses the stigma surrounding weight and food, along with the complexities of recent research, including brain imaging studies. Practical insights on cultivating a healthier relationship with food are shared, emphasizing personalized strategies to aid those who struggle with addictive-like eating behaviors.
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INSIGHT

YFAS Is Central But Incomplete

  • The Yale Food Addiction Scale (YFAS) dominates human research as a subjective diagnostic tool.
  • Researchers often pair YFAS with neuroimaging but clinical context is usually missing.
INSIGHT

YFAS Overlooks Restriction As A Cause

  • YFAS does not screen for dietary restriction, a key driver of binge-like eating.
  • High YFAS scores can reflect effects of prior restriction rather than a primary food-based addiction.
ANECDOTE

Food Meaning Shapes Brain Response

  • Marci contrasts pizza with dried lentils to show how personal history colors food responses.
  • She explains emotional and cultural contexts change how brains react to different foods.
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