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What Percent of Adults Over 80 Have Dementia? Understanding Prevalence and Risks

According to the Alzheimer's Association, approximately one-third of adults aged 85 and older have Alzheimer's dementia, highlighting a significant and well-documented increase in prevalence with age. While dementia is not an inevitable part of aging, understanding what percent of adults over 80 have dementia is crucial for families, caregivers, and public health planning.