The School of Greatness
The School of Greatness

The Diet Hacks To Improve Brain Function, Improve Relationships & Live Longer w/ Shawn Stevenson EP 1484

Shawn Stevenson is a bestselling author and the creator of The Model Health Show, featured as the #1 health podcast in the U.S. with millions of listener downloads each year. A graduate of The University of Missouri—St. Louis, Shawn studied business, biology, and nutritional science and went on to b

Featured Speakers

Lewis Howes Host

Topics Discussed

Episode Summary

Executive Summary: The episode argues that chronic disease and weight gain are driven less by individual willpower than by unhealthy culture, environment, and family habits. Dr. Shawn Baker-style? No—Dr. Shah? The guest emphasizes metabolic health, ultra-processed foods, liquid sugar, seed oils, stress, and isolation as major forces, while showing that eating together as a family three times a week can measurably improve nutrition, reduce obesity risk, and strengthen emotional health.

Main Topics: Metabolic health crisis in America (Priority: 5/5): The conversation opens by framing the U.S. as facing a widespread metabolic-health emergency, with obesity, diabetes, and chronic disease normalized rather than rare. The guest argues metabolism underlies nearly all bodily functions, so poor metabolic health affects everything from cognition to cardiovascular function. Why habit change fails long term (Priority: 5/5): The guest says most healthy habit changes fail because people are trying to improve themselves inside an unhealthy culture that constantly makes bad choices easy, cheap, and normal. He argues environment and culture shape behavior more than motivation alone. Ultra-processed foods, sugar, and seed oils (Priority: 5/5): A major portion of the episode details how ultra-processed foods, liquid sugar, and industrial seed oils contribute to inflammation, insulin resistance, and accelerated aging. The guest distinguishes whole-food processing from industrial food engineering. Family meals as a protective health intervention (Priority: 5/5): The central solution presented is regular family or community meals. The guest cites studies showing that eating together improves nutrient intake, reduces ultra-processed food consumption, lowers obesity risk, and reduces stress in both children and adults. Stress, trauma, and social environment (Priority: 4/5): The discussion expands beyond food to include chronic stress, relationship strain, work pressure, environmental toxins, and emotional trauma as drivers of disease. The guest argues stress-related illness accounts for a large share of doctor visits. Personal transformation and responsibility (Priority: 4/5): The guest shares his own story of poverty, chronic pain, addiction in the family, and being told he would never recover. He describes deciding to take responsibility for his health, changing his environment, and eventually transforming his life and career. Practical family-health strategies and cookbook promotion (Priority: 3/5): The episode closes with actionable advice for parents: schedule three meals a week, involve children in cooking, use rituals like gratitude sharing, and make healthy food enjoyable. It also promotes the companion cookbook and a virtual summit.

Key Arguments: Health problems are rooted in culture and environment, not just personal discipline. Metabolic dysfunction is the foundation of modern chronic disease. Ultra-processed foods are engineered to override normal eating behavior, especially in children. Liquid sugar is one of the most inflammatory and metabolically damaging substances people commonly consume. Family meals create a measurable protective effect against obesity, poor nutrition, and stress. Regular shared meals improve children’s food choices even in low-income or high-risk households. Industrial seed oils and vegetable oils may contribute to inflammation and accelerated oxidation. Chronic stress loads from work, relationships, environment, and trauma materially affect health. Personal change begins with deciding to get well and altering one’s immediate environment. Parents shape family culture by modeling behavior and structuring meals, rather than relying on lectures.

Data Points: Metabolically unhealthy American adults: 88% - Guest cites a recent paper on American adult metabolic health. American citizens with at least one chronic disease: 60% - CDC data referenced during discussion of disease prevalence. American citizens with two or more chronic diseases: 40% - CDC data referenced during discussion of disease prevalence. U.S. obesity rate: 43% - Guest says clinically obese adults in the U.S. are now over 43%. Projected U.S. obesity rate by 2030: 50% - Prediction discussed as less than seven years away. Combined overweight and obesity rate: almost 80% - Guest combines categories to show scale of weight-related issues. Diabetes increase in the U.S. over 40 years: quadrupled - Referenced from a New England Journal of Medicine paper on diabetes history. Americans with type 2 diabetes or pre-diabetes: about 130 million - Estimate used to show the scale of glucose dysregulation. Average American adult diet that is ultra-processed: 60% - Cited from the British Medical Journal. Average child diet that is ultra-processed: almost 70% - Cited from a JAMA study. Families eating together effect: 3 times per week - Research cited as enough to reduce obesity risk and eating disorders in children. Parents eating breakfast with children: 4 times a week - Linked to lower ultra-processed food intake and higher nutrient intake. Physician visits related to stress: upwards of 80% - Meta-analysis referenced in JAMA on stress-related disease burden. Estimated U.S. annual deaths from properly prescribed medications: about 180,000 - Harvard EJS Center for Ethics statistic cited in discussion of medication risk. Average human fat cell PUFA content in the 1990s: about 2% - Historical biopsy comparison used to illustrate dietary change. Average human fat cell PUFA content in modern humans: about 25% - Modern biopsy comparison used to argue dietary fat composition has changed. Input-output example with soda: 8 to 10 Dr. Peppers a day - Lewis Howes shares a childhood anecdote about sugar intake and athletics.

Pivotal Quotes: "We can consciously create the environment that makes health automatic, that makes healthy choices easy and accessible." — Guest: Core thesis on environment and behavior change. "The primary reason that we're unable to make healthy changes long term is that we're existing in a culture that is largely unhealthy." — Guest: Answer to why habit changes fail for most people. "This is the most important takeaway from today: this is the one: do this one thing." — Guest: Lead-in to the recommendation for family meals three times a week.

Implications: The episode reframes health as a cultural design problem: if families and communities change meal patterns, cooking habits, and home environments, they can reduce disease risk and model healthier norms. It also challenges the medical system to prioritize prevention over symptom management.

🔓 Sign Up for Unlimited Episode Search

About The School of Greatness

Lewis Howes is a New York Times best-selling author, 2x All-American athlete, keynote speaker, and entrepreneur. The School of Greatness shares inspiring interviews from the most successful people on the planet—world-renowned leaders in business, entertainment, sports, science, health, and literature—to inspire YOU to unlock your inner greatness and live your best life.

View all episodes from The School of Greatness