Some 2.3 million of U.S. adults older than 65 — more than 4% — have a diagnosis of dementia. But even without a diagnosis, a certain amount of cognitive decline is normal as age sets in.

The Norwich Free Academy students rehearsing onstage in Slater Auditorium on a recent afternoon were speaking in ...

Adults learn skills faster but forget more easily, while children retain skills better due to the benefits of sleep, ...

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