Scientists Identify the Three Main Risk Factors for Brain Aging

The research opens the door to potential prevention strategies for dementia and other neurodegenerative diseases.

What causes our brains to age?While some degree of brain aging is inevitable, the extent to which our brains degrade over time can be influenced by a range of internal and external factors.Researchers from the U.K.'s University of Oxford have previously identified a 'weak spot' in the brain that is particularly vulnerable to age-associated degeneration as well as schizophrenia and Alzheimer's disease.

'We know that a constellation of brain regions degenerates earlier in aging, and in this new study we have shown that these specific parts of the brain are most vulnerable to diabetes, traffic-related air pollution—increasingly a major player in dementia—and alcohol, of all the common risk factors for dementia,' said Gwenaëlle Douaud, an Oxford research fellow and leader of the study, in a statement.

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