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Driving changes may signal early dementia risk linked to brain blood flow issues, with blood pressure meds possibly helping.
A five-year study of 220 older adults in St. Louis links changes in driving behavior—such as reduced mileage, repetitive routes, and unsafe maneuvers—to early brain damage from reduced blood flow, particularly in areas controlling vision and movement.
Those with more white matter hyperintensities were more likely to develop cognitive decline or Alzheimer’s, with 17% showing impairment.
Notably, participants on blood pressure medications, especially ACE inhibitors, exhibited safer driving despite similar brain damage, suggesting these drugs may protect brain and driving health.
Researchers say driving patterns could serve as an early, non-invasive sign of dementia risk, though the study’s small size, lack of diversity, and preliminary status limit broad conclusions.
Los cambios en la conducción pueden indicar el riesgo de demencia temprana relacionada con problemas de flujo sanguíneo cerebral, con medicamentos para la presión arterial que posiblemente ayuden.