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# ☠️ The Dangerous Rise of Bro Science in Jiu-Jitsu
- URL: https://fightingmatters.com/the-dangerous-rise-of-bro-science-in-jiu-jitsu/
- Published: 2025-06-02T23:19:29.000Z
- Updated: 2026-10-12T05:17:48.000Z
- Description: In this episode of Fighting Matters, Steve Kwan and Stephan Kesting are joined by scientist and author Kristi Charish to investigate how Jiu-Jitsu became a hotbed for pseudoscience, supplement scams, and influencer grifts.
- Author: Fighting Matters
- Tags: Podcast, Video, Health & Science

In this episode of Fighting Matters, Steve Kwan and Stephan Kesting are joined by scientist and author Kristi Charish to investigate how Jiu-Jitsu became a hotbed for pseudoscience, supplement scams, and influencer grifts.  
  
We explore how a culture of male insecurity and anti-intellectualism has opened the floodgates to misinformation—fueled by algorithm-chasing gurus and podcast personalities more interested in profit than truth. From testosterone fads and supplement sponsors to sunning your testicles (yes, really), we unpack the deep societal forces that make grapplers uniquely vulnerable to snake oil.  
  
If you’ve ever been told that breathing through one nostril will double your growth hormone, this episode is for you.  
  
⸻  
  
👥 Featuring:  
  
Kristi Charish – Scientist & Novelist  
Stephan Kesting ‪@StephanKesting‬  
Steve Kwan ‪@bjjmentalmodels‬  
  
⸻  
  
🧠 Topics We Cover:  
  
• Why Jiu-Jitsu is especially vulnerable to pseudoscience  
• The myth of the supplement “quick fix”  
• How science actually works (and why grifters hate it)  
• Why confidence sells better than expertise  
• The parasocial trap of podcast influencers  
• What “adaptogens” actually mean (hint: nothing)  
  
⸻  
  
📖 Chapters:  
  
[00:00](https://www.youtube.com/watch?v=RylRGGK6XvY&ref=fightingmatters.com) Introduction and Guest Introduction  
[01:06](https://www.youtube.com/watch?v=RylRGGK6XvY&t=66s&ref=fightingmatters.com) Kristi's Science Background and Transition to Fiction  
[04:25](https://www.youtube.com/watch?v=RylRGGK6XvY&t=265s&ref=fightingmatters.com) The Challenge of Science Misinformation  
[10:03](https://www.youtube.com/watch?v=RylRGGK6XvY&t=603s&ref=fightingmatters.com) The Role of Influencers in Misinformation  
[16:02](https://www.youtube.com/watch?v=RylRGGK6XvY&t=962s&ref=fightingmatters.com) Regulation of Supplements vs. Prescription Drugs  
[24:03](https://www.youtube.com/watch?v=RylRGGK6XvY&t=1443s&ref=fightingmatters.com) Understanding Scientific Research and Publication  
[38:32](https://www.youtube.com/watch?v=RylRGGK6XvY&t=2312s&ref=fightingmatters.com) The Nature of Expertise and Certainty in Science  
[46:54](https://www.youtube.com/watch?v=RylRGGK6XvY&t=2814s&ref=fightingmatters.com) The Risks of Superfoods and Supplements  
[48:46](https://www.youtube.com/watch?v=RylRGGK6XvY&t=2926s&ref=fightingmatters.com) Trust in Science and Misinformation  
[50:19](https://www.youtube.com/watch?v=RylRGGK6XvY&t=3019s&ref=fightingmatters.com) The Dangers of Distrust in Institutions  
[53:13](https://www.youtube.com/watch?v=RylRGGK6XvY&t=3193s&ref=fightingmatters.com) The Impact of Influencers on Health Perception  
[01:02:47](https://www.youtube.com/watch?v=RylRGGK6XvY&t=3767s&ref=fightingmatters.com) Misinformation Targeting Young Men  
[01:09:44](https://www.youtube.com/watch?v=RylRGGK6XvY&t=4184s&ref=fightingmatters.com) The Dangers of Male Beauty Standards  
[01:19:27](https://www.youtube.com/watch?v=RylRGGK6XvY&t=4767s&ref=fightingmatters.com) Improving Science Literacy in Society