#cognitive_function
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Why Your Walking Speed Might Be a Brain-Health Signal
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A study of adults 80+ found the fastest walkers had roughly half the cognitive decline risk of the slowest. Here is what that correlation actually means. Read more…
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What Ultra-Processed Food Does to Your Brain Over Time
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A 9-year Harvard-affiliated study links high ultra-processed food intake to a 58% higher dementia risk — and what likely drives it. Read more…
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How Your Microbiome Affects Brain Health
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The story you usually hear about the gut-brain axis is direct: gut bacteria signal the brain, influencing mood and cognition in real time. That is not wrong,… Read more…
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Poor Focus at 45: Three Causes, One Is Fixable
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If you are over 40 and your focus has declined, the first question nobody asks is: *what kind of focus problem is this?* Read more…
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Why Information Overload Causes Decision Fatigue
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The standard explanation for information fatigue is cognitive overload. The idea is that your brain has a limited processing capacity and that excessive info… Read more…
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What Generative AI Does to Your Thinking
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The worry about generative AI is that it makes you dumber. That by outsourcing thinking to a machine, your cognitive capacity declines. Read more…
