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When bariatric surgery reduces food addiction: a prospective study
Xu-Yan Ban1,2, Chen Wang1, Ting Xu1
1Department of Metabolic & Bariatric Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Frontiers in Nutrition
|December 15, 2025
Summary
Bariatric surgery rapidly reduces food addiction scores within one month, with sustained effects for two years. While most symptoms improve quickly, some social and behavioral aspects require longer-term attention.
Area of Science:
- Metabolic surgery
- Obesity and food addiction research
- Bariatric surgery outcomes
Background:
- Obesity increases susceptibility to food addiction.
- Bariatric surgery is a potent obesity treatment.
- Timing of bariatric surgery for food addiction is understudied.
Purpose of the Study:
- To investigate the timing of bariatric surgery's impact on food addiction.
- To analyze the evolution of food addiction symptoms post-surgery.
Main Methods:
- Tracking 78 patients for 2 years post-bariatric surgery.
- Utilizing the Yale Food Addiction Scale 2.0 (YFAS 2.0) for assessment.
- Employing mixed linear modeling and cluster analysis.
Main Results:
- Bariatric surgery significantly reduces food addiction scores.
- Symptom reduction occurs rapidly within the first month and persists for 2 years.
- Food addiction symptoms were categorized into rapid and slow declining domains.
Conclusions:
- Bariatric surgery offers rapid and sustained remission of food addiction.
- Multidisciplinary clinics are crucial for addressing persistent symptoms post-surgery.
- Neurophysiological and gut microbiota changes may underlie symptom remission.
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