As the statistics on brain aging continue to worsen, should we be concerned about brain health and Alzheimer's disease (AD) as we all age? Some researchers estimate that 22.2% of the individuals in the U.S. (or 5.4 million) that are 71 years of age or older have cognitive impairment without dementia. That's one in five people over age 71 that currently experience cognitive impairment issues.
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