Something You Should Know

How Your Beliefs Drive Success & The Science Behind Keeping Your Brain Sharp

March 9, 2026·47 min·5-min readconversationalself improvement
Podzilla Summary (5 min)
TLDR
Beliefs are not facts but tools that shape behavior, motivation, and biology; by identifying and replacing limiting beliefs with liberating ones, people can achieve breakthrough results. Similarly, cognitive decline is not inevitable—45% of dementia cases are preventable through lifestyle

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Guest

N

Nir Eyal

conversational on Something You Should Know

Mentions

Books, people, and resources mentioned in this episode.

People

Nir Eyalby Nir EyalDr. Majid Fatuiby Dr. Majid Fatui

Books

Beyond Beliefby Nir EyalThe Invincible Brainby Dr. Majid Fatui

Research & Papers

Lancet Commission on Dementia Risk Factorsby Lancet

Topics

HabitsLongevityMental HealthNeuroscienceProductivitySelf Improvement

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