The Rich Roll Podcast Inside Nutrition Misinformation: Nutrition Scientist Jessica Knurick Exposes What's Really Happening to Public Health in America
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Aug 11, 2025 
Jessica Knurick, a registered dietitian and public health expert, dives into the war on science and nutrition misinformation. She exposes how a $1.1 trillion healthcare cut went unnoticed while the MAHA movement distorts public health narratives. Jessica critiques viral myths surrounding seed oils and the profit motives driving health fear-mongering. She advocates for comprehensive policies addressing systemic issues in American health, emphasizing the need for transparency and better communication to rebuild trust in public health.
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Public Health Is Systemic
- Public health examines the systems that enable healthy lives: clean air, water, soil, and safe food.
- Policy and infrastructure determine population health more than individual choices alone.
Surgeon Was A Science Influencer
- Rich Roll found his resident neurosurgeon was a widely followed science influencer.
- The surgery team's split attitude highlighted institutional resistance to public-facing scientists.
Trojan Horse Of Health Politics
- MAHA identifies real problems but blames the wrong causes.
- When causes are wrong, solutions will miss the mark or harm public health.