
 The School of Greatness The Truth About Nutrition: Why Our Food System Isn’t Built to Keep You Healthy
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 Nov 3, 2025  Dr. Jessica Knurick, a research-focused dietitian dedicated to cardiometabolic health, discusses shocking truths about America’s food system. She reveals that profit drives our food choices, contributing to chronic diseases in over half of adults. Jessica debunks common nutrition myths, including the misconceptions around seed oils, and explains how ultra-processed foods lead to overeating. With a focus on simple, evidence-based practices, she advocates for mindful eating habits and engaging children in healthy food choices. 
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System Over Profit Shapes Health
- The U.S. food system is designed for profitability, not population health.
 - That design makes it more likely the majority will develop lifestyle-related chronic diseases.
 
Personal Loss Sparked Her Mission
- Jessica's grandfather developed type 2 diabetes and died of a heart attack in his 60s.
 - That loss propelled her career focus on chronic disease prevention and food systems.
 
Chronic Disease Linked To Diet Patterns
- Over half of American adults live with at least one chronic condition, driven largely by diet and lifestyle.
 - Over 90% of Americans fail to meet vegetable and fiber guidelines while ultra-processed foods dominate the food supply.
 

