One in Seven Americans Age 71 and Older Has Some Type of Dementia, NIH-Funded Study Estimates.
A new analysis suggests that about 3.4 million Americans age 71
and older -- one in seven people in that age group -- have
dementia, and 2.4 million of them have Alzheimer's disease (AD).
The study, supported by the National Institutes of Health (NIH),
is the latest in a series of analyses attempting to assess the
prevalence of dementia and AD, the most common form of dementia.
Published online this week in "Neuroepidemiology", the study
is the first to estimate rates of dementia and AD using a nationally
representative sample of older adults across the United States.
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