One in 10 Americans over age 65 have dementia, a study finds. (
"This study is typical of older persons and covers populations previously excluded from dementia research," said Manly, a neuropsychology professor at Columbia University.
Ten percent of people who identified as Hispanic had dementia, but the rate of milder issues was higher — 28% tested positive for mild cognitive impairment.
In fact, every five-year increase in age was associated with higher risk of dementia and mild cognitive impairment, the report said.
Wandering and getting lost in a familiar neighborhood is another sign of dementia, as is losing interest in daily activities or events or acting as if they don't care about other people's feelings.