
The Proof with Simon Hill What Diet Is Best for Health? | David Katz, MD
Jul 15, 2020
Dr. David Katz, a noted preventive medicine expert and founder of the True Health Initiative, discusses the pivotal role of diet in chronic disease prevention. He highlights how the COVID-19 pandemic emphasizes the urgency of addressing chronic conditions. Katz argues against strict diet dogmas, promoting a balanced approach centered around real, mostly plant-based foods. He also dives into the importance of culture in making healthy choices the norm and challenges the notion of a single best diet, advocating for sustainability and ethical food sources.
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Diet Quality As Top Mortality Risk
- Diet quality is the single leading predictor of all-cause mortality in developed countries.
- Poor diet kills far more people annually than acute threats like COVID-19, and it's largely preventable.
Treat Health Like Wealth
- Treat health like wealth: invest early and protect it for long-term returns.
- Use cognitive strategies and teachable moments to build lifelong healthy habits.
No One Perfect Diet—But A Clear Theme
- No single branded diet can be proven decisively best for humans over a lifetime.
- The consistent pattern: real food, not too much, mostly plants wins across evidence.











