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Purported AI-Generated Doctor Deepfakes Reportedly Used Guy's and St Thomas' Branding to Market Weight Loss Patches

Occurred
Jan 9, 2026
Published
Jan 15, 2026
Source
AI Incident Database

Summary

Guy's and St Thomas' NHS Foundation Trust warned that purported AI-generated videos circulated on Facebook and TikTok depicted its clinicians endorsing weight loss patches. The videos allegedly impersonated doctors and used misleading medical claims to market a product.

Developers

  • Deepfake technology developers
  • Synthetic audio generation technology developers

Deployers

  • Scammers

Harmed parties

  • People seeking medical advice
  • Guy's and St Thomas' NHS Foundation Trust clinicians
  • Guy's and St Thomas' NHS Foundation Trust
  • General public of the United Kingdom
  • General public
  • Epistemic integrity

Classification

Category confidence: 95%
Severity confidence: 90%

Rationale: AI-generated videos impersonating doctors to market products constitute deepfake misuse with potential health risks.

Classifier: Qwen/Qwen3.5-35B-A3B-FP8

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