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Related Concept Videos

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Related Experiment Video

Updated: Apr 12, 2026

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Exposome-wide patterns predict brain health in aging.

Mostafa Mahdipour1,2, Somayeh Maleki Balajoo3,4, Federico Raimondo3,4

  • 1Institute of Neuroscience and Medicine (INM-7: Brain and Behaviour), Research Centre Jülich, Jülich, Germany. m.mahdipour@fz-juelich.de.

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|April 10, 2026
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Summary
This summary is machine-generated.

Understanding brain health is key for well-being. The exposome, encompassing various life factors, significantly impacts brain age, with cardiovascular, metabolic, and lifestyle elements being crucial for maintaining grey matter health.

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Area of Science:

  • Neuroscience
  • Public Health
  • Environmental Health

Background:

  • Brain health is crucial for overall well-being and reducing healthcare costs.
  • Brain Age Gap (BAG) quantifies brain health by comparing chronological age to predicted brain age.
  • A comprehensive understanding of how the exposome influences brain health is lacking.

Purpose of the Study:

  • To investigate the relationship between the exposome and brain health, specifically grey matter (GM) health, using the Brain Age Gap (BAG).
  • To identify key exposome factors that predict GM health.
  • To understand the impact of exposure timing and duration on brain health.

Main Methods:

  • Calculated BAG as an indicator of GM health in UK Biobank participants.
  • Utilized machine learning to predict BAG using 261 exposome variables across biomedical, environmental, lifestyle, socio-affective, and early life domains.
  • Analyzed the contribution of different exposome domains to BAG prediction.

Main Results:

  • Exposome data effectively predicted GM health.
  • Factors related to cardiovascular health, bone health, alcohol consumption, smoking, nutrition, and diabetes were significant predictors of BAG.
  • The period and duration of exposure within these domains were critical.

Conclusions:

  • The exposome significantly shapes brain health and can predict grey matter health.
  • Cardiovascular, metabolic, and lifestyle factors are key modifiable determinants of brain health.
  • Early intervention and prevention strategies focusing on cardiovascular and metabolic health are essential for promoting lifelong brain health.