Brain-training games remain unproven, but research shows what sorts of activities do benefit cognitive functioning.

Some 2.3 million of U.S. adults over 65—more than 4%—have a diagnosis of dementia. But even without a diagnosis, a certain ...

But even without a diagnosis, a certain amount of cognitive decline is normal as age sets in. Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more.

Everyday physical activities, from light chores to intense exercise, provide immediate cognitive benefits for middle-aged ...