Researchers show physical and social environmental exposures shape biological brain age worldwide
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Researchers at the Global Brain Health Institute found that environmental exposures such as air pollution and socioeconomic inequality can shape the biological age of the brain. The study, which analyzed data from 18,701 individuals across 34 countries, highlights the importance of considering cumulative environmental factors in brain health.
A recent study published in Nature Medicine found that environmental exposures can accelerate or delay brain aging. The research analyzed data from 18,701 individuals across 34 countries, including Ireland. The study identified 73 environmental factors that contribute to brain aging, including air pollution and socioeconomic inequality. Combined physical exposures were associated with structural brain aging, while social exposomes like poverty and lack of support affected brain areas responsible for thinking and emotions. The findings highlight the importance of considering cumulative environmental factors in brain health. The study's results have implications for prevention, public health, and policy.
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