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Cross-National Study of 214000 Adults Finds Dementia Risk Factor Prevalence Varies Sevenfold by Region

Cross-National Study of 214000 Adults Finds Dementia Risk Factor Prevalence Varies Sevenfold by Region

Observational cross-national comparison reveals substantial regional heterogeneity in dementia risk factor burden while documenting stable clustering of cardiometabolic and behavioral risks. Findings challenge one-size-fits-all prevention and support tailored public health strategies in low- and middle-income countries.

Next steps include expanding the harmonized platform to Kenya and Egypt and testing cluster-targeted interventions. Policymakers can now prioritize cardiometabolic bundles in middle-income settings rather than single-factor programs imported from high-income trials.

⚡ Prediction

Nichols: By 2028, three or more LMICs will publish national dementia plans that explicitly target cardiometabolic clusters identified in the Gateway data, with measurable uptake thresholds above 40 percent of at-risk adults.

Sources (2)

  • [1]
    Primary Source(https://www.thelancet.com/journals/lanhl/article/PIIS2666-7568(26)00045-3/fulltext)
  • [2]
    Supporting Source(https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(20)30367-6/fulltext)