TED Health TED Health

The science on improving your brain health with Dr. Ayesha and Dean Sherzai

Jul 21, 2026 · 33m

Summary

Host Dr. Shoshana Ungerleiter interviews neurologists Drs. Dean and Aisha Sherzai about preventing cognitive decline through lifestyle changes. They discuss the "NEURO" framework, emphasizing nutrition, exercise, sleep, stress management, and cognitive engagement. The episode highlights that while genetics play a role, modifiable factors like vascular health and social connection significantly reduce dementia risk, offering actionable steps for brain health at any age.

Topics discussed

Sponsors: Kashi, Nature Raised Farms, and Kohler Introduction: Shifting from treatment to prevention of brain disease Guests Drs. Dean and Aisha Sherzai: Meeting and shared mission Personal stories: Watching grandparents lose identity to dementia Defining dementia: Types, statistics, and the importance of early detection Genetics vs. lifestyle: Debunking pseudoscience and focusing on modifiable risks Sponsors: Kashi and Capital One The NEURO framework: Nutrition, Exercise, and other key pillars Nutrition for brain health: Omega-3s, leafy greens, and berries Risks of ultra-processed foods and refined sugars Exercise: Benefits for brain cleansing and neurotrophic factors Sleep hygiene: Glymphatic system and clearing brain waste Sponsors: Paylocity, Capital One, and TED Business Public health: How zip codes and access impact dementia risk Social connection: The importance of community and interaction Cognitive engagement: Why complex hobbies like music beat Sudoku Current science: Understanding amyloid and tau proteins Starting early: Midlife is the critical window for brain health Conclusion and final sponsor messages
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