Prevalence of Cognitive Impairment without Dementia in the United States

Abstract
How common is mild cognitive impairment in older adults? In their sample of 856 individuals from the national Health and Retirement Study, Plassman and colleagues found that 22% of adults age 71 ye... Background: Cognitive impairment without dementia is associated with increased risk for disability, increased health care costs, and progression to dementia. There are no population-based prevalenc...