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The exposome of brain – The daily blog of behavioral and cognitive economics

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The exposome of brain – The daily blog of behavioral and cognitive economics

How Your Neighborhood and Nation Shape Your Brain’s Age

It isn’t just your genes or your diet that determines how fast your brain ages—it’s the air you breathe, the housing you live in, and the political stability of your country. A massive international study analyzed data from over 18,700 individuals across 34 countries to map the “exposome”—the cumulative environmental and social factors we face daily. The researchers found that these factors act in a syndemic manner, meaning they don’t just add up; they multiply. When combined, environmental and social pressures explained 15 times more variance in brain aging than any single factor alone, proving that structural inequality is a direct driver of neurological decay. ….[READ]

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