ArticleDrug and alcohol dependence2025
Bariatric surgery and alcohol and substance use: A case-control survey study.
Article in Drug and alcohol dependence, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
2 citing papers in PubMed.
- Linking Obesity and Depression Through the Gut-Brain Axis: The Impact of Short-Chain Fatty Acids and Inflammation.Nutrients · 2026Review
- Crosstalk between alcohol use disorder and obesity: two sides of the same coin?Molecular psychiatry · 2025Review
Corrections and comments
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Authors and funding
11 authors.
Funding
Abstract
purposeStudies suggest alcohol and/or other substance misuse may develop after bariatric surgery (BS), but findings are not consistent or conclusive. PROCEDURES: This cross-sectional online survey investigated alcohol and other substance use, via a modified version of the Alcohol Use Disorders Identification Test, before and after bariatric surgery, compared to a non-bariatric surgery sample. Data were anonymously collected via Qualtrics from adults who reported alcohol or substance use (BS, n = 328; non-BS, n = 292).
findingsProblematic alcohol, opioid, amphetamine, and cannabis use were reduced post-surgery compared to pre-surgery. After surgery, participants expressed "guilt" associated with alcohol and other substance use (average 0.24 and 0.31 points higher, respectively) compared to pre-surgery. Compared to controls, the bariatric surgery group reported on average 1.99 points less problematic nicotine use pre-surgery (p = .012) and 2.42 points less post-surgery (p = .004). In contrast, compared to people without any history of bariatric surgery, the bariatric surgery group reported greater problematic use of alcohol, cannabis, hallucinogens, and/or inhalants pre-surgery (all p < .001); same results were found post-surgery for all drugs, (all p < .001) except for hallucinogens which was not significantly different between the two groups. RELEVANCE: Unlike previous reports, these survey-based results do not show an increase in problematic alcohol and substance use following bariatric surgery. Recall biases and the survey-based methodology are however important limitations of the present study. The observed increase in "guilt" associated with substance use may align with growing evidence suggesting increased subjective response to alcohol and other substances following bariatric surgery.
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