Dementia is fairly common among older adults. According to a Columbia University study, nearly 10% of people age 65 or older in the U.S. have dementia, and an additional 22% have mild cognitive impairment.[efn_note]“One in 10 Older Americans Has Dementia” Columbia University. Oct. 24, 2022[/efn_note]
Alzheimer’s disease is the most common cause of dementia, but there are numerous other causes of dementia, including cerebrovascular disease, Lewy body disease, frontotemporal degeneration, and Parkinson’s disease.[efn_note]“2024 Alzheimer’s Disease Facts and Figures” (Table 1) Alzheimer’s Association. Accessed May 15, 2024[/efn_note]