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.

These levels were determined based on how frequently participants engaged in activities like reading, playing games, or doing puzzles Cognitive function was measured using three domains: memory, ...

How does the brain’s memory function change as we grow older? What recent discoveries are helping us understand these changes ...

We've unwrapped 23 absolutely amazing games that are so easy to learn, you'll be playing like a pro faster than you can say ...

So easy to set up and use, I wish I'd gotten this years ago': Fans say the streaming gadget has made cord-cutting painless.