Evaluating Life Simple Seven’s influence on brain health outcomes: The intersection of lifestyle and dementia
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INTRODUCTION
Lifestyle factors have been studied for dementia risk, but few have comprehensively assessed both Alzheimer’s disease (AD) and cerebrovascular disease (CBVD) pathologies. Our research aims to determine the relationships between lifestyle and various dementia pathologies, challenging conventional research paradigms.
METHODS
Analyzing 1231 Wisconsin Registry for Alzheimer’s Prevention (WRAP) study participants, we focused on Life Simple Seven (LS7) score calculations from questionnaire data and clinical vitals. We assessed brain health indicators including CBVD, AD, and cognition.
RESULTS
Higher LS7 scores were associated with better CBVD outcomes, including lower percent white matter hyperintensities and higher cerebral blood flow, and higher Preclinical Alzheimer’s Composite 3 and Delayed Recall scores. No significant associations were observed between LS7 scores and AD markers of amyloid and tau accumulation.
DISCUSSION
This study provides evidence that the beneficial effects of LS7 on cognition are primarily mediated through cerebrovascular pathways rather than direct influences on AD pathology.
