#cognitive_function
Your Brain Actually Peaks Around 55—New Research Rewrites the Aging Story
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A 2025 study combining 16 psychological traits finds overall human functioning peaks between 55 and 60. Here’s what actually grows with age—and how to protect the traits that matter most. Read more…
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…
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…
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…
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…
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…
