A new nationally representative study published online in the Journal of Alzheimer’s Disease found an abrupt decline in the prevalence of cognitive impairment among American adults aged 65 and older compared to the same age group a decade earlier.
In 2008, 12.2 percent of older Americans reported serious cognitive problems. In 2017, the percentage had declined to 10.0 percent. To put this into perspective, if the prevalence of cognitive impairment had remained at the 2008 levels, an additional 1.13 million older Americans would have experienced cognitive impairment in 2017.
“We were astonished to see the prevalence of cognitive…
