Avoiding These 3 Things in Middle Age Linked to Delayed Dementia

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A recent study has identified three controllable health factors during middle age that may significantly delay the onset of dementia. Researchers analyzing data from over 12,000 participants across 26 years found that maintaining normal blood pressure, avoiding diabetes, and not smoking during ages 45 to 65 were associated with nearly 13 additional years free from dementia symptoms on average.

The research emphasizes the critical importance of vascular health—the condition of blood vessels—during these midlife years, as all three factors directly impact cardiovascular function. Participants who managed all three risk factors experienced markedly better cognitive outcomes and longer lifespans overall. The study accounted for various other variables, including genetics, physical activity, and demographic factors, to strengthen its findings.

While the research shows strong correlations rather than definitive cause-and-effect relationships, experts stress the significance of these preventable factors. Notably, health disparities emerged in the data, with Black participants showing fewer dementia-free years compared to white participants, suggesting certain populations may benefit particularly from targeted prevention strategies.

As dementia cases continue rising globally, with millions diagnosed annually, understanding when and how the disease develops becomes increasingly valuable. Future studies may explore whether changes to these risk factors—such as quitting smoking or lowering blood pressure—can further improve cognitive outcomes as populations age.

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Originally reported by Sciencealert →