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Related Experiment Video

Updated: Jul 19, 2025

Elevated Plus Maze Test Combined with Video Tracking Software to Investigate the Anxiolytic Effect of Exogenous Ketogenic Supplements
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Ketogenic diet: Assessing YouTube video information using quality, reliability, and text analytics methods.

Avinash Rana1, Monika Arora2

  • 1CMS Business School, JAIN (Deemed to be University), Bengaluru, Karnataka, India.

Nutrition and Health
|August 10, 2023
PubMed
Summary

YouTube videos on the ketogenic diet (KD) vary in quality and reliability. While aesthetic quality is high, creators should cite medical sources and focus on viewer-trusted themes for greater impact.

Keywords:
KetogenicYouTubehealthqualityreliabilitysentimenttopic models

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Area of Science:

  • Dietary science
  • Health communication
  • Medical informatics

Background:

  • Social media platforms like YouTube are increasingly used by the public to learn about and adopt dietary trends such as the ketogenic diet (KD).
  • Assessing the accuracy and quality of health information on open platforms presents a significant challenge for users.
  • This study scientifically evaluates YouTube videos concerning the ketogenic diet.

Purpose of the Study:

  • To assess the quality, reliability, and content of YouTube videos discussing the ketogenic diet (KD).
  • To identify dominant themes and sentiment within KD-related YouTube content.
  • To compare the quality and reliability of KD information across different publisher types.

Main Methods:

  • A review and evaluation of 95 YouTube videos on the ketogenic diet by three experienced medical practitioners.
  • Assessment of video quality and reliability using established criteria (e.g., DISCERN, Global Quality Scale - GQS).
  • Application of topic modeling and sentiment analysis to discern content themes and polarity.

Main Results:

  • Three publisher categories were identified: doctors, educational institutions, and influencers, with doctor-posted videos averaging 42.24 minutes.
  • Average reliability and quality scores were 3.08 ± 1.14 and 3.18 ± 1.18, respectively (scale 0-5).
  • Significant differences in quality scores were found among publisher types. Key themes included 'keto versus glucose,' 'diabetes,' 'KD food,' and 'major chronic diseases,' with generally positive sentiment, though some doctor content was neutral.

Conclusions:

  • Content creators should enhance videos by citing medical information and terminology to improve reliability.
  • Viewers demonstrate a preference for information from doctors regarding the ketogenic diet.
  • Publishers should leverage identified themes and improve aesthetic and informational quality to increase engagement and impact.