Incidence of Dementia over Three Decades in the Framingham Heart Study

The prevalence of dementia is expected to soar as the average life expectancy increases, but recent estimates suggest that the age-specific incidence of dementia is declining in high-income countries. Temporal trends are best derived through continuous monitoring of a population over a long period with the use of consistent diagnostic criteria. Investigators at the Framingham Heart Study describe temporal trends in the incidence of dementia over three decades among participants in the study.

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