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Mental Fitness 101

The science of a sharper mind

Plain-English, evidence-based writing on how memory, attention, and thinking actually work — and the small daily habits that keep them strong. No hype, no miracle claims.

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The big question
Does brain training actually work?
What the research really shows — where the evidence is strong, where it isn’t, and how to think about “transfer” honestly.
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Aging & the brain
Can brain training lower dementia risk?
One specific exercise keeps turning up in the research, out to 20 years — and the honest caveats that come with it.
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Getting started
Why one minute a day adds up
The case for tiny, consistent mental workouts over occasional marathons — and how habits compound.
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More reads
Memory
What is working memory?
The mind’s mental sketchpad: what it is, why it caps at a handful of items, and how it shapes focus and reasoning.
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Habits
The science of streaks
Why a little every day beats a lot once in a while — and how to build a habit that survives a missed day.
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